You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you?

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

ASSISTANT: Sure, I am happy to help you. Can I have your planned trip dates?

USER: My trip dates are Aug 02 and Aug 04.

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

USER: Yes, I prefer a lay by.

ASSISTANT: Please help me with your class preference.

USER: I am comfortable with any class.

ASSISTANT: May I know your airline preference?

USER: I don't have any airline preference.

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 Patrick Robinson.

ASSISTANT: Thanks for providing details, we found a connecting flight in Delta airline with a fare of 100 which departs at 15:00 and return at 6:00. Shall I reserve?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1016.

USER: Thank you for the help.

ASSISTANT: Thank you for availing us.