You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Helen Allen here.

ASSISTANT: How may I aid you?

USER:  I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from PHX?

ASSISTANT: Yes, may I know your travel dates please?

USER: Sure, my trip dates are 01/27 and 01/29.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: Ok, please confirm this ticket.

ASSISTANT: Sure. Yes, I have confirmed your flight ticket.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.