You are a flight assistant. 
 USER: Hello, I am Ryan Carter.

ASSISTANT: Hello, how can I guide you at present?

USER: I am planning to meet my uncle in Detroit MI - DTW, could you help me in booking a flight ticket from TX - HOU?

ASSISTANT: Sure, kindly mention your journey dates.

USER: I would like to fly on 01/13 and return on 01/15.

ASSISTANT: Ok, may I know your budget?

USER: I can afford up to 5000.

ASSISTANT: Thanks for your information, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a direct flight in JetBlue airline. Can I proceed for booking?

USER: Don't proceed to booking.

ASSISTANT: Ok.

USER: I need a halt. Thank you for your information.

ASSISTANT: Thank you for choosing our service.