Hi.
user
Hello, how can I help you today?
assistant
Can you please book a flight ticket from DEN to OAK?
user
Sure, may I know your planned travel dates?
assistant
My trip dates are 12/31 and 01/02.
user
May I know your connection limit?
assistant
I am comfortable to travel in a single connecting flight.
user
Do you have any other specifications?
assistant
I want to return in evening.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to say that, no flights were found with your given details.
assistant
That's ok, thank you for your information.
user
May I know your good name for documentation purpose?
assistant
Alexander Mitchell here.
user
Thank you for reaching us.
assistant