You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Richard Allen. I would like to travel from IAD to DCA, could you help me out?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My preferable dates are from 10/02 to 10/04.

ASSISTANT:  There is a flight available on your requested dates from Delta airlines with 1 connecting flight.

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked with flight 1011.

USER: Thank you, have a good day.

ASSISTANT: You are most welcome.