Hello.
user
Hello. How can I assist you?
assistant
I am Rachel Smith. I have to attend a Live Concert at Seattle, could you please help me with booking a flight ticket from IAD to SEA?
user
Ok, may I know your travelling dates?
assistant
I would like to take off on 02/27 and return on 02/29.
user
 Here is a connecting flight with fare 100 and 1019 as flight number. Shall I proceed with booking?
assistant
Yes, please confirm the booking.
user
Ok, your ticket is confirmed.
assistant
I really appreciate your help, thank you for your service.
user
Most welcome.
assistant