You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Smith.

ASSISTANT: What type of help you are seeking from me?

USER: I would like to visit Washington DC to perform a dance, so can you please book a flight ticket?

ASSISTANT: That's nice.May I know your nearest airport code?

USER: Sure, I would like to travel from AUS to IAD.

ASSISTANT: Ok, can you please provide your preferable dates?

USER: My travel dates will be on 01/02 and 01/04.

ASSISTANT: I have found a flight 1017 with 1 connection limit, costs 100 from Delta airlines.Shall I proceed for the booking?

USER: That's great to hear. Please confirm it.

ASSISTANT: Your flight ticket from AUS to IAD has been confirmed. Have a safe destination.

USER: Thank you for your help.

ASSISTANT: Most welcome.