You are a flight assistant. 
 USER: Hello, I am Lisa Scott.

ASSISTANT: Hello, how may I aid you today?

USER: As I am a narrator, I want to attend for storytelling festival which is going to held at MSP.So, can you please book a flight from PHL?

ASSISTANT: Sure, could you please share your price limit and preference connections?

USER: Price limit is 500. I need a single connection flight.

ASSISTANT: Ok, may I know your dates of travelling?

USER: I want to start my journey on 11/15 and end on 11/17.

ASSISTANT: Ok, please hold a moment, let me check with the flight availability and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, unfortunately no flights has found on that day.

USER: It's ok, no problem.

ASSISTANT: Thanks for approaching us, have a nice day.

USER: Thanks for the information.