Hello,. I am Samantha Miller.
user
Hello, how may I serve you?
assistant
 I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver, DEN. Can you book me a ticket within the range 5000?
user
Sure, may I know where are you heading from?
assistant
I want to head from AUS.
user
Ok, on what dates will you be travelling?
assistant
I want to travel on 01/11, and need to catch return flight on 01/13.
user
Ok, please wait.
assistant
Sure.
user
Thanks for waiting, currently there are no flights available on your route.
assistant
Ok, no issues. Thanks for the information.
user
Thank you for opting us.
assistant