Hello. I am Catherine Smith.
user
Hello, how may I serve you today?
assistant
Will you please reserve me a flight ticket to Houston, HOU to visit NASA Space Center?
user
Sure, may I know your source code?
assistant
Phoenix, PHX is my source code.
user
Kindly share your travel dates.
assistant
I am planning to travel on 05/15 and again return on 05/17.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, there were no flights found on your preferable travel dates.
assistant
It's ok, no problem. Thank you for the information.
user
Thank you for opting us.
assistant