Hello.
user
Hello, how may I help you?
assistant
I am Emily Evans, want to travel from HOU to ORD. Please help me in booking my ticket.
user
Sure, may I know your travelling dates?
assistant
Sure, my travelling dates are from 04/23 to 04/25.
user
Sorry, there is no flight available as per your request.
assistant
It's ok, thank you.
user
Most welcome.
assistant