Hello.
user
Hello, how can I help you today?
assistant
My name is Gary Wright. I want to celebrate Christmas in Dallas, so please book a flight ticket with a price limit of 500.
user
Sure, kindly provide me your travel dates?
assistant
My departure day is 12/25, return day is 12/27.
user
May I know your airport codes?
assistant
My source and destination airport codes are TX-HOU, TX-DFW.
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry to say, no flight found with your requirement.
assistant
No problem, thanks for your help.
user
Thanks for reaching us, have a good day.
assistant