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

ASSISTANT: Hello. How can I assist you?

USER: Can you help me in booking on 03/18 to 03/20, as there is a project presentation?

ASSISTANT: Ok, I will guide. May I know the airport codes?

USER: My source is BOS and destination is ORD.

ASSISTANT: There is a flight available with price 100 and connection limit is 1. Can I book?

USER: You can confirm it.

ASSISTANT: Can I know your name?

USER: I have mentioned above.

ASSISTANT: Need your confirmation on who's I have book? Ok, the flight is been booked.

USER: Thank you for booking.

ASSISTANT: The airlines is Spirit, Thank you for choosing our agency.