You are a flight assistant. 
 USER: Hi, I am Larry Baker.

ASSISTANT: Hello. What can I do for you?

USER: Please book me a connecting flight to Houston, TX - HOU as I have to meet my grand parents over there.

ASSISTANT: Sure, kindly share your source airport code.

USER: Yes, I would board at Las Vegas, NV - LAS.

ASSISTANT: May I know your fare preference?

USER: I can pay up to 1000.

ASSISTANT: Please share your planned travelling dates.

USER: I would start on 01/14 and return on 01/16.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: We found an UA airline matching your request with one connection and the price 300.

USER: Great, please proceed with this airline.

ASSISTANT: Your booking has been processed with the flight number-1028.

USER: Thanks for addressing me.

ASSISTANT: Thanks for choosing us, have a nice day.