Hello.
user
Hello, may I know your name?
assistant
I am Dennis Walker.
user
Nice to meet you Dennis. How can I assist you today?
assistant
I want a flight ticket from JFK to DEN, can you please book a ticket if it is available?
user
Sure, may I know your travel dates?
assistant
My travelling dates are 06/21 to 06/23.
user
Sorry Dennis, I cannot find any flights with your details.
assistant
It's ok. Thank you for your information.
user
Thanks for contacting us, have a great day.
assistant