You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Patrick Garcia. I need to book a ticket to attend my sister marriage so, please help me for that?

ASSISTANT: Sure, I am here to help you.

USER: My airport codes are LAX to AUS.

ASSISTANT: When you are willing to travel?

USER: My travelling dates are Apr 1 to Apr 3.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found 1008 AA airlines with single connection with price 100. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.