You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to attend my graduation ceremony at Orlando university, can you please book the ticket from AUS to MCO?

ASSISTANT: Can I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 13th and 15th of July.

ASSISTANT: Do you need any connection limit?

USER: I just need direct flight only.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name? United Airlines is providing direct flight on this route with a ticket fare of 200 and flight departs at 4:00 hours and arrives at 5:00 hours, shall I book your ticket in this flight?

USER: My name is Shirley Lopez, please book the ticket.

ASSISTANT: Your ticket is confirmed in flight 1021.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.