You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Betty Carter here. I would like to visit Washington, can you help me to book a flight from CLT?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My trip will start on 10/29 and return on 10/31.

ASSISTANT: Ok, may I know your destination code to proceed further?

USER: My destination airport code is IAD.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Ok, there is a flight 1026 in JetBlue airline matching your details with price 100. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for helping me.

ASSISTANT: You are welcome, have a safe journey.