You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Brenda Roberts. Can you please help me in booking a flight ticket from DTW to ATL?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: I want to fly on Sep 29 and return on Oct 01.

ASSISTANT: Do you need any halt in your route?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: There is a connecting flight with fare of 100 and 1022 flight number. Shall I proceed?

USER: Please make sure that depart time is on afternoon.

ASSISTANT: Sorry to inform you that, no flights are available with your specifications.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.