You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I am Patrick Evans. I am planning for a round trip TX-HOU, help me in booking my flight ticket.

ASSISTANT: Sure, please share your journey dates.

USER: My starting date is 02/17. My return date is 02/19.

ASSISTANT: Is there any budget?

USER: My budget is 1000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1022 UA airline with a halt.

USER: Please proceed.

ASSISTANT: Ok, the ticket has been confirmed with a fare of 200.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.