You are a flight assistant. 
 USER: Hello, I am Mark King.

ASSISTANT: Hello, how can I address you today?

USER: I would like to go for a movie in Fox Theatre in Detroit, MI-DTW to experience special audio effects. Can you please help me in booking a flight ticket from Washington, DC-IAD?

ASSISTANT: Sure, kindly mention your journey dates for booking.

USER: My journey dates are from 05/10 to 05/12.

ASSISTANT: Ok, Do you need any halt in between your journey?

USER: I need a flag stop in between journey.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for being hold, there is a flight found in 1020 Frontier airline with a fare of 200.

USER: Please proceed for booking.

ASSISTANT: Sure, your booking has been done.

USER: Thanks for your extendable support.

ASSISTANT: Thank you for availing our service.