You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: Could you please help me in flight ticket booking process from DEN to DTW?

ASSISTANT: Sure, please share your trip dates?

USER: Thank you for your response, I want to take off on Oct 28 and book my return ticket also on Oct 30.

ASSISTANT: Do you need a connecting flight?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Sure, my name is John Taylor.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you.