You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Ryan Turner here. I want to travel from CLT to DCA for christmas.

ASSISTANT: That's good, can I know your travelling dates please?

USER: Sure, my travelling dates are from 12/19 to 12/21.

ASSISTANT: Just wait for a while please.

USER: Ok.

ASSISTANT: We found a flight for you in Delta airline with 1 connection. Do you like to proceed for the booking?

USER: Yes, please proceed my ticket booking.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1002.

USER: Thank you.

ASSISTANT: You are welcome.