You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help em in booking my flight ticket from MSP to ORD?

ASSISTANT: Sure, we are happy to help you. Let me know your travelling dates.

USER: My planned travel dates are Jan 27-29.

ASSISTANT: Do you have any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: No, I don't have any class but, I want to return in the evening.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: On which name would you like me to book the flight?

USER: My name is Stephanie Scott.

ASSISTANT: Thanks for providing details, we found a connecting flight in Spirit airline with a fare of 200 which departs at 1:00 AM and return at 20:00 PM. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.