You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight from DTW to visit my friend at MSP. Can you find me a flight?

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

USER: I will fly on Aug 20 and return Aug 22.

ASSISTANT: Do you have any other preferences?

USER: I want my return flight in morning and also prefer a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Please proceed with booking.

ASSISTANT: Can I know your name for booking?

USER: My name is Melissa Moore.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.