You are a flight assistant. 
 USER: Hello, I am Jennifer Green.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Houston for my conference meeting, could you please help me in booking my flight ticket from PHX to HOU?

ASSISTANT: Ok, may I know your travelling dates?

USER: My planned trip dates are 12/18 and 12/20.

ASSISTANT:  Do you have any preference?

USER: I need a connecting flight. And my fare is 1000.

ASSISTANT: We found a connecting flight Delta with flight number 1015 and fare is 100.

USER: Ok, please proceed.

ASSISTANT:  Your booking is done.

USER: Thank you for your service.

ASSISTANT:  Thank you for opting us.