Hello,.
Hello, how may I help you today?
I want to book a flight ticket, will you help me?
Sure, can you please provide your name and journey details?
I am Gary  Walker, I want to travel from TX-AUS TO CA-SFO. My departure day is 11/16 and arrival day is 11/18. The flight ticket price  limit should be 5000.
Thanks for providing your details. Please wait a moment, I will check and let you know.
Sure.
Thanks for your patience. We have not found any flights with your details.
OK,thank you for giving information.
Thanks for contacting us, Have a good day.