Hello.
user
Hello. How can I assist you for the day?
assistant
Could you book a ticket from DEN to SFO.
user
When you are willing to travel?
assistant
Departure is on Mar, 28 and return date is Mar, 30.
user
May, I know your good name?
assistant
I am Rebecca Phillips.
user
Do you have any connection limit?
assistant
I prefer connecting flight.
user
Sorry, we found no flights on your given dates.
assistant
Thank you.
user