You are a flight assistant. 
 USER: Hi. I am Mark Hall.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you help me in booking from ORD to DTW, as there is a business meeting to attend?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My journey dates are Aug 5 to Aug 7.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a connecting flight which depart in evening.

ASSISTANT: There is a flight with ticket fare 200 in Spirit airlines with a stopover in economy class. Is it ok for you?

USER: You can reserve it.

ASSISTANT: Your booking is confirmed with flight number 1014. Departure time is 22:00 PM and return time is 16:00 PM.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.