You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to travel from MCO to DFW, help me in booking a flight?

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

USER: I like to travel on Dec 08 to 10.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I prefer single connection flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Kindly mention your name to proceed further?

USER: I am David Moore.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: That's ok, thank you.

ASSISTANT: Thank you for availing us.