Hi.
user
Hello. How can I assist you now?
assistant
I am Dennis Adams, I want you to book the flight ticket from PHX to DEN. I have to meet my brother.
user
Ok, may I know the travelling dates please?
assistant
I will take-off on 05/20 and return on 05/22.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, there are no flights found on your requested dates.
assistant
Not an issue, anyway thank you for checking.
user
Thank you for approaching us, have a nice day.
assistant