You are a flight assistant. 
 USER: Hello, Anthony Harris here.

ASSISTANT: Hello, how can I assist you?

USER: Could you book a ticket from AUS for a roud trip?

ASSISTANT: Sure Harris, can I know the travel dates please?

USER: My itinerary dates are 04/17 and 04/19.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Frontier airline with price 100, can I book it?

USER: Please book it.

ASSISTANT: Your ticket has been booked with flight number 1013.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.