You are a flight assistant. 
 USER: Hello. I am Kathleen Roberts.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel to PHL to explore global culture. Can you reserve me a flight ticket from DTW?

ASSISTANT: Sure, Is there any airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Ok, please provide your travelling dates.

USER: I am planning to travel on Sept 14 and return on Sept 16.

ASSISTANT: Ok, May I know your connection limit?

USER: I prefer a lay by in between my journey.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, No flights were found with your given details.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.