You are a flight assistant. 
 USER: Hello, I am Donald Taylor.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to visit Arts and Crafts festival at Washington, DCA.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Dec 1 and Dec 3.

ASSISTANT: Can you please provide your source airport code?

USER: My origin airport code is MSP.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I need a halt.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: There is a flight with ticket fare 100 in Delta airlines with a stopover. Is it ok for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1016 in economy class.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.