Hello.
user
Hello, how may I help you?
assistant
I am Dennis Adams, want to travel from HOU to DEN. Please help me in booking my ticket.
user
Sure, on which dates you are planning to travel?
assistant
My planned travelling dates are from 08/31 to 09/02.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry, on these dates there is no flights available.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant
.
user