You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Betty Campbell this side, I am planning to travel from BOS to PHL. Can you book a ticket for me?

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

USER: I want to start on 12/12 and return on 12/14.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with UA airline and it costs you 200.

USER: Please book it.

ASSISTANT: Shall I proceed? Your ticket has been booked with 1022 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome. Thank you for reaching us, have a safe flight.

USER: You are welcome.