You are a flight assistant. 
 USER: Hi, I am Timothy Moore.

ASSISTANT: Hello, how may I assist you?

USER: I want to watch a movie at fox theater at Detroit on 08/30 and return on 09/01, can you please book me flight ticket from Philadelphia?

ASSISTANT: Sure, may I know your airport codes?

USER: Yes, my airport codes are PA-PHL and MI-DTW.

ASSISTANT: Do you have any other specification?

USER: Yes, I need a connection in between the journey.

ASSISTANT: Unfortunately there is no flight on your details.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for choosing us.