You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Can you reserve me a ticket from LAS to ORD?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are Sep 02 to 04.

ASSISTANT: Any requirements to be met?

USER: I need a single connecting flight.

ASSISTANT: Can you mention your name please?

USER: Gary Johnson here.

ASSISTANT: Frontier Airlines has a connecting flight with number 1014 for fare 300, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.