You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

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

ASSISTANT: Sure, can you please forward your journey dates?

USER: Thank you for taking my request. Sure, I planned my journey on the dates Aug 27 and Aug 29.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: Sure, myself Rachel Garcia.

ASSISTANT: Do you have any specifications?

USER: No, other specifications. Anyway thank you for asking.

ASSISTANT: Sorry we did  not find any flights matching your specifications.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for choosing us.