You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Hill.

ASSISTANT: How can I aid you now?

USER: I want to book a flight ticket from LAX to BOS. Could you help me in booking?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are from July 19-21.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a halt.

ASSISTANT: Let me know about your airline preference.

USER: I am comfortable with any.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Frontier airlines is providing you the ticket in economy class and with a price of 100, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight-1009, the departure time is at 10 AM and return time is at 9 AM.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.