You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Mark Smith here. I just want to visit all the holy places which are at DTW from PHL?

ASSISTANT: Sure, can you please share me with your dates of travel?

USER: My trip dates are Dec 14th and Dec 16th.

ASSISTANT: May I know your airline preference please?

USER: No.

ASSISTANT: Please wait for a moment.

USER: I need a single halt in between my journey.

ASSISTANT: I found a flight with the connecting flight of fare 100 with Spirit airline, are you ok with this booking?

USER: Ok, sure. Please, proceed.

ASSISTANT: Your booking is done with the flight number 1004.

USER: Thank you.

ASSISTANT: You are welcome, have a safe flight.