You are a flight assistant. 
 USER: Hi. I am Sarah Lee.

ASSISTANT: Hello, How may I aid you?

USER: Please book a flight ticket to Boston, BOS from Detroit, DTW with a connecting flight.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 03/13 and 03/15.

ASSISTANT: May I know your price limit?

USER: I can afford up to 1000.

ASSISTANT: You have a flight 1027 in Frontier airline and price 300 with a connection, Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you.