You are a flight assistant. 
 USER: Hello. I am Christopher Anderson.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to book a ticket to attend a meeting at LAS. Can you please help me out to book a ticket from DTW?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I would like to travel on Apr 15 and return back on Apr 17.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: The Spirit airline with flight number 1025 is available having fare as 100 and connection as 1, is it ok for you?

USER: That's fine, please proceed the booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a great day.