Hi.
user
Hello.
assistant
Helen Allen here.
user
How may I aid you?
assistant
 I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from PHX?
user
Yes, may I know your travel dates please?
assistant
Sure, my trip dates are 01/27 and 01/29.
user
Thanks for your patience. I have found Delta airlines which flies with one connection.
assistant
Ok, please confirm this ticket.
user
Sure. Yes, I have confirmed your flight ticket.
assistant
Thank you for booking my ticket.
user
Thank you.
assistant