You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you for the day?

USER: I am planning to travel from MCO to PHX, can you please help me in flight booking?

ASSISTANT: Sure, when are you planning to travel?

USER: I will start on Dec 11, return on Dec 13.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: My name is Kenneth Young.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: No problem, thank you.

ASSISTANT: Thank you.