Hello.
user
Hello.
assistant
Charles Anderson here.
user
How can I help you?
assistant
Please reserve a flight ticket from SFO to DEN for my business conference.
user
Sure, I will  help you to book a flight ticket. Can you please share me your travelling dates?
assistant
Thank you for accepting my request, my departure is on Nov 19 and please book my return ticket also on Nov 21.
user
Ok, do you have any connection limit?
assistant
Yes, I will prefer single connection for my journey.
user
Ok, may I know your arrival and departure time?
assistant
I would like to return in evening time.
user
Sorry, no flights are available on your route.
assistant
Oh! Sad to hear that. Anyway, I will go with another airlines. Thank you for the information.
user
Welcome, have a nice day.
assistant
Welcome.
user