You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Margaret Smith, I want to reserve my ticket from New York JFk. Can you help me with booking a flight ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My preferable travelling dates are 04/10 and 04/12.

ASSISTANT: Can I know your airport codes too?

USER: My source code is JFK and my destination code is DFW.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Sure, you can proceed with that booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1011.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.