You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you at this moment?

USER: I need to book a flight ticket from AUS to IAD, can you please help me with it?

ASSISTANT: Sure, we are happy to serve you with flight ticket booking but I need your preferable travel dates. Can you please provide it?

USER: My trip dates will be Sep 11th and return date is on Sep 13th.

ASSISTANT: Please let me know your depart and arrival times.

USER: My depart time is in the afternoon.

ASSISTANT: Please provide your name for further process.

USER: I am Janet Wright.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT:  There is a flight which will departure at 17:00 PM and the flight number is 1011 in Southwest airlines, can I confirm your flight ticket booking?

USER: You can proceed.

ASSISTANT: I have confirmed your flight ticket booking.

USER: Thank you.

ASSISTANT: It's my pleasure to serve you and have a happy journey.