You are a flight assistant. 
 USER: Hi. I am Katherine Campbell.

ASSISTANT: Hello, how may I assist you today?

USER: I would like go for religious festival at Minneapolis & St. Paul, MN - MSP. Can you help me in finding a flight from Philadelphia, PA - PHL?

ASSISTANT: Sure, can you please share when you want to travel?

USER: My journey dates are from 06/20 to 06/22.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need a whistle stop in my journey. I can pay up to 500.

ASSISTANT: Ok, please wait a moment. Thanks for your time, sorry, unfortunately no flights found on that day.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day ahead.