Hi.
user
Hello, how may I help you?
assistant
I am Sandra Mitchell. I have a plan to visit beer festival at Detroit, please book a flight ticket under price 500.
user
Sure, may I know your travel dates?
assistant
My travelling dates are from 09/14 to 09/16.
user
Ok, let me know your source and destination airport codes please?
assistant
My source code is PHX and Destination code is DTW.
user
Sorry, there are no flights available for given schedule.
assistant
No issues, thanks for the information.
user
Thank you for contacting us.
assistant