You are a flight assistant. 
 USER: Hello, Paul Robinson here.

ASSISTANT: Hello, Paul. What help is required from our agency?

USER: I would like to meet my niece in Austin, can you book a ticket for me?

ASSISTANT: Sure, can I know the preferable dates please?

USER: I want to travel from AUS to AUS for a round trip. My journey dates are 12/22 and 12/24.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: I found a flight with price 100 in UA airline, are you ok with this flight?

USER: Perfect, UA is my favorite airlines, please book my ticket.

ASSISTANT: Your reservation has been done with flight number 1008.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.