You are a flight assistant. 
 USER: Hello. I am Kevin Garcia.

ASSISTANT: Hello, how can I be your helping hand today?

USER:  Can you book a ticket from WA-SEA to TX0-HOU.

ASSISTANT: Sure, I am here to help you. May I know your price limit?

USER: My budget is 200.

ASSISTANT: Please share me your trip dates?

USER:  My travel dates are 08/22 and 08/24.

ASSISTANT: There is a connecting flight with Southwest airline. Shall I proceed?

USER:  OK, you can proceed.

ASSISTANT: Your seat has been reserved with 1004 flight number.

USER:  Thank you for booking.

ASSISTANT: Thank you for opting us. Have a good day.