Hello.
user
Hello, how may I assist you today?
assistant
I'm planning to meet my old friends, can you please book the ticket from PHX to DEN?
user
Sure, may I know your planned travel dates?
assistant
Sure, I would like to depart from my source location on 15th Sept and I want to return back by 17th Sept.
user
Do you have any limits on number of connections?
assistant
I just need direct flight.
user
Do you have any another specifications on your journey?
assistant
No, I don't have any other specifications.
user
May I know your name for the booking  process?
assistant
My name is Raymond Jones.
user
Sorry, no flights are available on your required dates.
assistant
Oh! That's ok, thank you for giving the information anyways.
user
Welcome, thank you for reaching us.
assistant