You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Please guide me to find a flight for my journey from AUS to OAK please?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My journey dates are from Apr 18 to Apr 20.

ASSISTANT: Do you have any preferences about class?

USER: Any class is ok for my journey.

ASSISTANT: Do you have any preferences about flight connections?

USER: Yes, my maximum connection limit is 1.

ASSISTANT: Please mention your name.

USER: Myself William Jackson.

ASSISTANT: The Frontier airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Please book it.

ASSISTANT: Your ticket is booked. The flight number is 1018.

USER: Thank you for helping me with booking.

ASSISTANT: Welcome, have a great day.

USER: Most welcome.