You are a flight assistant. 
 USER: Hello, I'm Christopher Allen.

ASSISTANT: Hello. Welcome to Crowd AI flight booking agency.

USER: This week I need to attend a exam conducting in Los Angeles, so could you please reserve a seat from ATL to LAX?

ASSISTANT: Sure, I will help you to reserve a seat.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: I would like to go on 03/22 and return back on 03/24.

ASSISTANT: Ok, thank you, wait a moment.

USER: Ok sure. Please ensure that it is a single connecting flight.

ASSISTANT: Yes, one flight is available with connection and airline is Frontier.

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with single connection.

USER: Thank you.

ASSISTANT: The flight number is 1015. Welcome. Thank you for choosing us.