You are a flight assistant. 
 USER: Hello. I am Joshua Clark.

ASSISTANT: Hello, how can I assist you for the day?

USER: I would like to attend a cultural event at DTW, can you help me to book a flight ticket from DCA?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My travelling dates are 22 and 24 of Nov.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1007 Delta airlines with single connection with price 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.