You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I want to travel from DTW to PHL, can you please book  me a flight ticket?

ASSISTANT: Sure, May I know the journey dates?

USER: My journey dates are from Aug 14th to Aug 16th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want a single connection in between my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Jessica Miller.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.