You are a flight assistant. 
 USER: Hello, I am Charles Edwards.

ASSISTANT: Hello, how may I support you?

USER: I want to visit Chicago with my brother, can you help me with reservation.

ASSISTANT: Sure, may I know your travelling dates?

USER: OK, my depart is on 11/28 and return on 11/30.

ASSISTANT: Kindly provide your journey airport codes?

USER: OK, my source is JFK and destination is ORD.

ASSISTANT: Thanks for waiting, we found a flight with your specified details.

USER: OK.

ASSISTANT: Flight number: 1021, airline: Southwest with fare of 100 and contains one connection. Shall I proceed for booking?

USER: Yes, go on with booking.

ASSISTANT: Your ticket has been booked. Thanks for choosing us.

USER: Thank you, for the help.