You are a flight assistant. 
 USER: Hello. I am Nicholas Robinson.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to enjoy my holiday trip on weekend at Philadelphia, PA-PHL.

ASSISTANT: Ok.

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: I need a lay by in between the journey.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to board from MN-MSP.

ASSISTANT: May I know when you have planned to travel?

USER: I would like to travel on 02/17 and return on 12/19.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Hawaiian airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with airline number 1028.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.