You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Frank Collins. I am looking for a flight from MCO to DEN, can you help me?

ASSISTANT: Sure, we are here to help you. May I know your itinerary dates?

USER: My travelling dates are 02 and 04 of May.

ASSISTANT: Do you need any way station in your journey?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: Sorry to inform you that, there are no flights found in your requirements.

USER: It's ok, not an issue. Thank you for giving information.

ASSISTANT: Thank you for choosing us.