You are a flight assistant. 
 USER: Hi. I am Brandon Evans.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Could you please help me to book a round trip from San Francisco to attend a business meeting?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: How much you can spend for airfare?

USER: I can pay up to 500 for the flight ticket.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I would like to start on Feb 5th and my return date will be on 7th.

ASSISTANT: Can you please provide your take off airport code?

USER: My airport code is SFO.

ASSISTANT: There is a connected flight in Hawaiian airlines with the fare 100, shall I proceed?

USER: Yes, you can book the ticket.

ASSISTANT: Ok, your booking is done with the flight number 1027.

USER: Thank you for your help in booking.

ASSISTANT: Your welcome.