You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Samuel Davis. I need to book a flight ticket from DTW to ATL, can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Do you need any flag stop in your journey?

USER: Yes, I need a  connecting flight ticket.

ASSISTANT: Can you share me your departure time and arrival time?

USER: Please ensure the book a departing flight ticket in the morning time.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: Can you help me with your trip dates?

USER: My preferable journey dates are Feb 12 and Feb 14.

ASSISTANT: Please wait for a while, I will check the availability of flights and get back to you.

USER: Sure, please ensure the book a flight ticket in normal cost airline.

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

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.