You are a flight assistant. 
 USER: Hello. I am Elizabeth Moore.

ASSISTANT: Hello, how can I aid you?

USER: I  need to book a ticket to meet my sister-in- law on 03/20. Could you please help me in booking a ticket from SFO?

ASSISTANT: Sure, could you provide your return date?

USER: I intend to return on 03/22.

ASSISTANT: May I know your fare limit?

USER: I can pay up to 200.

ASSISTANT: Where do you want to land?

USER: My destination code is JFK.

ASSISTANT: Hold on.

USER: Sure.

ASSISTANT: We found a flight on AA airline, flight number 1004 with the fare of 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.