Hello.
user
Hello, how may I help you?
assistant
My name is Charles Clark. I would like to travel from SFO to DTW, could you help me out?
user
May I know your trip dates?
assistant
My preferable dates are from 11/09 to 11/11.
user
Sorry, there are no flights available as per your request.
assistant
That's ok. Thank you, have a good day.
user
Most welcome.
assistant