You are a flight assistant. 
 USER: Hello. I am George Phillips.

ASSISTANT: Hello, how may I help you?

USER: I would like to give a surprise gift to my parents who are staying at Houston TX-HOU, help me in booking my flight ticket from San Francisco CA-SFO.

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: I would like to start on 05/07, My return date will be 05/09.

ASSISTANT: Do you need any other specifications?

USER: Yes, I need a flag station in between the journey.

ASSISTANT: Thanks for providing your details. There is a flight found with UA airline of flight number 1018 and fare is 200. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thanks for connecting us, have a nice journey.