You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Myself Benjamin King.

ASSISTANT: Ok.

USER: Please look for the flights which are running on the route from DTW to DEN, can you please book a ticket for me if tickets are available?

ASSISTANT: King can you please tell me how may I serve you? May I know your trip dates?

USER: My departure date is 06/02 and return date is 06/04.

ASSISTANT: Sorry for the inconvenience, no flight found with your details.

USER: It's ok, no problem, I will go with another airlines.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.