You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Joseph Lee.

ASSISTANT: How can I serve you?

USER: I want to book a flight ticket from CA - LAX to TX - AUS. Please help me in booking a flight ticket.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: My travel dates are from 06/22 to 06/24.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preferences?

USER: I need a halt in between my journey.

ASSISTANT: You have a flight 1021 in Southwest airline and price 100 with a connection, Shall I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you for boooking.

ASSISTANT: Thank you.