You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking the flight ticket from PHL to MSP?

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My travel dates are Dec 22 and Dec 24.

ASSISTANT: Would you like to fly in economy class flight or business class flight?

USER: I prefer to travel to travel in economy class.

ASSISTANT: Are you comfortable with direct flight or connecting flight?

USER: I need a single connection flight.

ASSISTANT: Do you have any specific time preference for journey?

USER: Yes, I would like to depart in the afternoon.

ASSISTANT: Thank you for given all required details, let me know your good name for further process.

USER: Amanda Johnson.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling details.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.