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