Hello,.
user
Hello, how may I help you today?
assistant
I want to book a flight ticket, will you help me?
user
Sure, can you please provide your name and journey details?
assistant
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.
user
Thanks for providing your details. Please wait a moment, I will check and let you know.
assistant
Sure.
user
Thanks for your patience. We have not found any flights with your details.
assistant
OK,thank you for giving information.
user
Thanks for contacting us, Have a good day.
assistant