You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning to attend music concert at MCO, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, I am glad to help you. Do you prefer a connected flight or a direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: When are you planning to start and return?

USER: I would like to take off on Dec 22 and return on Dec 24.

ASSISTANT: Is there any class preference?

USER: I don't have any class preference.

ASSISTANT: Can I have your name please?

USER: My name is Jessica King.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: OK, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.

ASSISTANT: Have a nice day.