You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend a Marriage in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travelling dates are Aug 15 and Aug 17.

ASSISTANT: Can you share me your nearest airport codes?

USER: My airport codes are SFO and MSP.

ASSISTANT: Do you have any preferences?

USER: I would prefer single connecting flight.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: I have found an economy class ticket with a price of 100 and it is a direct flight.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Can I know your name for booking?

USER: My name is Joseph Scott.

ASSISTANT: Your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.