You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: I would like to attend to a party in LAX, can you reserve me a ticket from DTW?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My trip dates are Dec 18 to 20.

ASSISTANT: Do you have any connection limit preference?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference for this trip?

USER: I prefer for economy class.

ASSISTANT: May I know your good name please?

USER: I am Virginia Thomas.

ASSISTANT: Virginia Thomas, there are no flight services are available on this route on your provided dates.

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

ASSISTANT: Thank you for contacting us.