You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to travel from LAS to AUS, can you book the flight ticket?

ASSISTANT: May I know your journey dates?

USER: My travelling dates are from 09/06 till 09/08. Myself Gregory Phillips.

ASSISTANT: I found a flight for you with flight number 1004 and airline is Delta. Can I proceed?

USER: Please, proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.