You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Christine Harris. I want to book a flight ticket from CA - SFO to TX - IAH, could you help me in booking a flight ticket?

ASSISTANT: Sure, could you please mention your travelling dates?

USER: I would like to fly on 10/15 and return on 10/17.

ASSISTANT: Ok, do you have any connection limit?

USER: Yes, I need a halt.

ASSISTANT: We found a flight with a fare of 200 in UA airlines and the flight number is 1001. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.