You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please reserve me a flight ticket from LAX to DEN?

ASSISTANT: Sure, may I know your preferred dates to reserve your seat?

USER: My preferable travel dates are from Oct 8th to Oct 10th.

ASSISTANT: May I know your name?

USER: I am Emma Miller.

ASSISTANT: Do you need any connections between your trip?

USER: Yes, I need a single connection in between my journey.

ASSISTANT: Do you need business class or economy class?

USER: I prefer a business class to travel.

ASSISTANT: Any other requirements?

USER: No.

ASSISTANT: We regret to inform you that there is no flights going on your way.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.