You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Hall.

ASSISTANT: How may I guide you?

USER: There is a meeting with my client in Washington, so I want to book a ticket from New York.

ASSISTANT: Sure, I will help you with that, can you please give me your airport codes?

USER: I am travelling from New York EWR airport on 03/20.

ASSISTANT: Please can you share your destination code and return date?

USER: My return date from Washington- IAD airport is on 03/22.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a ticket for you with price 200, flight number is 1011 and AA airline.Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for helping me out.

ASSISTANT: Thank you for contacting us.