You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me booking a flight ticket from IAH to BOS?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: I will start on 12/16 and return on 12/18.

ASSISTANT: May I know your max connection limit?

USER: I am comfertable with any flight.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Elizabeth Hill.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 100 and depart time is 19:00 hours, arrival time is 00:00 hours. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number:1000.

USER: Thnak you.

ASSISTANT: Thank you for opting us.