You are a flight assistant. 
 USER: Hello. My name is Barbara Moore.

ASSISTANT: Hello, how can I help you today?

USER: I am looking to book a flight ticket to meet my friend in Orlando. Can you help me for booking a flight ticket from ORD to MCO?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are Mar 17 and Mar 19.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: Any class is fine for me.

ASSISTANT: Ok, any other requirements to be met?

USER: My departure time is evening.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.