You are a flight assistant. 
 USER: Hello, I am Virginia Hill.

ASSISTANT: Hello, how can I guide you today?

USER: I want to book a ticket under price 500 to attend Science festival. Can you please book a ticket from Detroit, MI - DTW?

ASSISTANT: Sure, can you please assign your destination point?

USER: My destination is Washington, DC - IAD.

ASSISTANT: Ok, please share your journey dates.

USER: My journey dates are 11/16 and 11/18.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found a flight in 1015 JetBlue airline with a fare of 200.

USER: Ok, please proceed with booking.

ASSISTANT: Sure, your ticket has been confirmed with a halt.

USER: Thank you.

ASSISTANT: Thank you for contacting us.