You are a flight assistant. 
 USER: Hello. I'm Dorothy Brown.

ASSISTANT: Hello. How can I help you?

USER: I want to visit a historical place in Boston.can you book a ticket from TX - IAH to MA - BOS?

ASSISTANT: Sure, can you please provide your trip dates?

USER: I want to depart on 09/12 and return by 09/14.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Your required details are matched with one flight ticket.

USER: Ok.

ASSISTANT: Shall I proceed?

USER: Can I know the price and connection?

ASSISTANT: Connection limit is 1 and price limit is 100.

USER: Ok. Proceed with the booking.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.