You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Samuel Wright here. Can you please help me in booking a flight ticket from LAS to LGA?

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

USER: Sure, my travel dates are from May 05 to May 07.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Is there any other specification that you are looking for?

USER: I need o depart in the morning.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Samuel Wright, I am sorry to inform you that there is no flight available at your request.

USER: That's ok, no problem. Anyway thank you for the information.

ASSISTANT: You are welcome.