Hi.
user
Hello, how can I assist you?
assistant
Please help me to book a flight ticket from DFW to SFO.
user
Sure, let me know your travelling dates.
assistant
My travel dates are from Jan, 03 to Jan, 05.
user
Please share your connection limit.
assistant
I need  a single connecting flight.
user
Do you have any specifications?
assistant
No.
user
May I know your name?
assistant
William Anderson.
user
Sorry, there are no flights found based on your details.
assistant
Thank you for your information.
user
Thank you for choosing us.
assistant