Hello.
user
Hello, how may I help you?
assistant
I am Frank Scott, want to travel from DEN to IAH. Can you help me in this?
user
Sure, may I know your travelling dates please?
assistant
My travelling dates are from 02/13 to 02/15.
user
Sorry, there is no flight available as per your requested dates.
assistant
That's fine, thank you for your help.
user
Most welcome.
assistant