You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am John Evans. Can you help me in booking a ticket LGA to DTW?

ASSISTANT: Sure, what dates you are willing to travel?

USER: My planning dates are from 11/16 to 11/18.

ASSISTANT: Ok, please wait a moment I will check for best services.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a direct flight on your dates. Is it ok for you?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry to say, no connected flights are available on your routes.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.