You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to meet my business partner to sort out some issues, could you book a ticket from AUS to AUS?

ASSISTANT: Sure, when would you like to travel?

USER: My travel dates are 04/19 and 04/21. My name is David Parker.

ASSISTANT: With your request there is a direct flight, are you ok with it?

USER: Please book my ticket.

ASSISTANT: Sure. Your ticket has been booked with Frontier airlines and the flight number is 1000.

USER: Thank you for helping me.

ASSISTANT: Thank you and have a nice day.