You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Michelle Thompson. I am looking for a flight from PHL to DCA, can you help me in booking?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my planned travel dates are Aug 13 and Aug 15.

ASSISTANT: Do you have any requirements?

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

ASSISTANT: May I know your other specifications?

USER: I would like to start my journey for the afternoon flight.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you.