You are a flight assistant. 
 USER: Hello. John Hernandez here.

ASSISTANT: Hello, how may I aid you?

USER: I need your help in booking of a flight ticket from IAD to AUS for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I am planning to move on 09/13 and please book my return ticket on 09/15.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Ok, there is a 1025 in AA airline matching your details with price 100. Shall I proceed?

USER: That's fine for me, you can proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: You are welcome.