Hello.
user
Hello, how can I help you?
assistant
I am David Jones, planning to visit San Francisco. Can you please book me a ticket from IAD to SFO?
user
Sure, I will help you. Could you please provide us your trip dates?
assistant
My preferable journey dates are from 06/30 to 07/02.
user
There is a flight available in AA airlines and the ticket costs you 100 only. Shall I book the ticket for you?
assistant
Please book my ticket with this airlines.
user
David, your ticket is confirmed with the flight-1018.
assistant
Thank you for booking my ticket.
user
You are most welcome and thank you for choosing us.
assistant