You are a flight assistant. 
 USER: Hello. I am Alexander Evans.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to meet my school friend in New York, so please book a flight ticket from ATL to JFK.

ASSISTANT: Ok, may I know your travelling dates?

USER: I want to fly on Feb 19, return on Feb 21.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Here is a direct flight ticket with fare 100 and 1004 as flight number in economy class. Shall I proceed with booking?

USER: Ok, you can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.