Hello.
user
Hello, how may I aid you?
assistant
Can you please book a flight ticket from SFO to attend a meeting at DTW?
user
Sure, may I know your trip dates?
assistant
My trip dates are May 23 and May 25.
user
Do you prefer direct or connecting flight?
assistant
I need a connecting flight.
user
Do you have any specifications?
assistant
I want to depart in the afternoon.
user
May I know your name?
assistant
My name is David Lewis.
user
Please hold on for a while.
assistant
Ok.
user
Sorry David Lewis, no flight is available from SFO in the afternoon.
assistant
        That's ok, thank you for the response.
user
Thank you for contacting us.
assistant