You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to attend my sister birthday function at New York. Please help me to do the reservation.

ASSISTANT: Sure,may I know on which dates you want to travel?

USER: I want to travel on 05/13 and 05/15.

ASSISTANT: May I know your airport codes?

USER: Airport codes are CLT-JFK.

ASSISTANT: To move further your good name please.

USER: Sarah Miller here.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: I found a flight with 1003 flight number and JetBlue airline. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed. Thank you for opting us.

USER: Thank you, Have a nice day.