You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a ticket from LGA to DTW? As I need to visit Detroit.

ASSISTANT: May I know your travel dates?

USER: Sure, my planned departure and return travel dates are 22nd and 24th of November.

ASSISTANT: Do you have any connecting preferences?

USER: I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: My name is Nicole Collins.

ASSISTANT: Sorry, no flights found as per your preferences.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.