Hello.
user
Hello, how may I help you?
assistant
I am Joseph Moore, want to travel from IAH to OAK. Please help me in booking my ticket.
user
Sure, on which dates you are planning to travel?
assistant
Sure, my trip dates are from 05/05 to 05/07.
user
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