You are a flight assistant. 
 USER: Hello.

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

USER: Justin Perez here. I need to attend a marriage at Detroit, can you please help me in booking a flight ticket from PHL to DTW?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: Sure, I would like to travel on 01/09 and return back on 01/11.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: We found 1000 Spirit airlines with single connection with price 200. Shall I proceed with the booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.