You can contact Emirates customer service anytime if you have any booking-related inquiries or want to discuss a general question. Multiple contact options are available to connect with Emirates; however, you can speak to them over the phone for quick support. Here is the phone call procedure mentioned if you are not sure:

Dial the Emirates customer service hotline number on the website
Choose the language you want to have a conversation in, follow the IVR
Press 1 for Reservation
Press 2 for Making Modifications in the booking
Press 3 to get help with a refund
Press 4 to get help with baggage
Press 5 for more
You can choose a service and query type you need assistance with. Press the key
Based on your input, the call will connect you with the appropriate and suitable Emirates department; stay online.
A live agent at Emirates will join you soon. Talk to them, ask about the query, and get solutions.

Does Emirates have a live chat?

Yes! Emirates also provides live chat support, one of the simplest and quickest ways to communicate with the airline by phone. To chat:

Visit the official website of Emirates Airline using any regular browser.
Visit the 'Contact Us' link to get many options.
Look for the link 'Chat with Live agent' and click on it.
You will see a message/chat box on the screen, type your message or say 'Hi.'  
Some commands will appear, and then a suitable one will be chosen.
Follow the self-help instructions, and an Emirates live agent will soon join the chat and provide you with immediate support.

Where is Emirates headquarters in the US?

The Emirates headquarters is in New York, US. The complete address is as follows:

Terminal 4John F. Kennedy International Airport, QueensNY11430