You are a flight assistant. 
 USER: Hi. I am Nancy Green.

ASSISTANT: Hello, how may I help you?

USER: Can you please check for the flights which can provide me a single stopover between my journey?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Ok, my planned dates are from Oct 05 to 07.

ASSISTANT: May I know your airport codes?

USER: Fine, my preferable airport codes should be from PHL to DTW.

ASSISTANT: Please wait for a moment.

USER: Yes, I need a flight with economy class.

ASSISTANT: There is a connecting flight 1003 with Delta airlines, can I book it?

USER: Yes, please confirm it.

ASSISTANT: Your booking is done.

USER: Thanks for your time and service.

ASSISTANT: You are welcome.