You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Catherine Clark from Detroit. I want to make a reservation from LGA to DTW. Can you please help me with this?

ASSISTANT: Sure, when are you planning to travel?

USER: Thank you, my travelling dates are Nov 16 - Nov 18.

ASSISTANT: Do you need any stopover?

USER: No, I need a direct flight.

ASSISTANT: Thanks for the information, please stand by.

USER: Sure.

ASSISTANT: There is no flight available on mentioned dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you.