You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Myself Pamela Johnson. I need to book a flight ticket from PHL to DTW. Can you please help me out in booking the ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are from 08/10 to 08/12.

ASSISTANT: Sorry, there are no flights found.

USER: Not a big problem, anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Thank you for searching.