Hello.
user
Hello.
assistant
Rachel Hall here.
user
How may I help you?
assistant
Can you book a flight ticket from HOU to ORD?
user
May I know your trip dates?
assistant
My trip dates are 05/20 and 05/22.
user
Sorry Rachel Hall, there is no flight for you.
assistant
It's ok, thanks for your information.
user
Welcome, have a good day.
assistant