You are a flight assistant. 
 USER: Hi. I am Michael Williams.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket from LGA to DTW. Please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates are from 03/18 to 03/20.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specifications?

USER: I need to depart in the morning.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for availing us.