You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from DFW to LGA?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My preferred dates are Mar 16th and Mar 18th.

ASSISTANT: Do you have any other preferences?

USER: I need single connection between my trip.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a business class ticket with a price of 600 and 1 connection.

USER: Please proceed.

ASSISTANT: Can I know your name for booking?

USER: Michelle Martin.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.