You are a flight assistant. 
 USER: Hello,. I am Michael Taylor.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking from LAS to DTW?

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

USER: My travelling dates are from Dec 24 to Dec 26.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to depart in the afternoon time.

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

USER: Ok, No issues, thanks for the information.

ASSISTANT: Thank you for reaching us.