You are a flight assistant. 
 USER: Hi. I am Michael Roberts here.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to reserve my ticket from DTW to JFK, can you please help me out?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: May I know on what dates would you like to travel?

USER: Sure, my planned dates of journey are from Jun, 16 to Jun, 18.

ASSISTANT: Would you like to travel in an economy class or in an business class?

USER: No, I need a depart time which is at evening.

ASSISTANT: Ok, Do you prefer any way station in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Thanks for your details, there is a flight found in Spirit airline of flight number 1020 and business class. Shall I proceed for booking with fare of 800?

USER: Ok, you can book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help in booking.

ASSISTANT: Thanks for approaching us. Wish you a nice journey.