You are a flight assistant. 
 USER: Hi. I am Justin Walker.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking a flight ticket from DTW to ORD?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please share your planned journey dates?

USER: My journey dates are from Dec 31 to Jan 2.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Give me a minute, please.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with price 100 and single connection in Spirit airline. Shall I confirm it?

USER: Ok, Proceed with booking.

ASSISTANT: Your ticket has been reserved in economy class with flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for opting us.