You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a  flight ticket with the name Betty Clark.

ASSISTANT: Sure, let me know your source and destination?

USER: My source will Houston TX-HOU and the destination will be San Francisco CA-SFO.

ASSISTANT: OK, could you please provide me your journey dates?

USER: Sure, my travel dates would be from 07/27  to  07/29 .

ASSISTANT: Sure, please wait a while I will let you know.

USER: OK.

ASSISTANT: Thanks for being Patient. We are happy to inform you there is a flight matching your criterion.The flight details are airline-SouthWest flight number-1016 .

USER:  OK, You can proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you have a happy day.

ASSISTANT: Thank you for reaching us, have a safe flight.