You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Carol Evans here. I want to book a ticket from DTW to CLT, can you help me?

ASSISTANT: Can you let me know your travelling dates?

USER: My journey dates are Jan 27 to Jan 29.

ASSISTANT: May I know your price limit?

USER: I can pay you 500.

ASSISTANT: There is a connecting flight 1003 with price 200, can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.