You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how could I serve you?

USER: My name is Charles Martin. I want to attend my sister marriage, so please help me for booking a flight ticket.

ASSISTANT: Sure, We are glad to help you. Can you please provide me your airport codes and dates of travelling?

USER: My source and destinations are MN-MSP, PA-PHL. And my departure day is 12/14, return day is 12/16.

ASSISTANT: Sure, Do you have any other requirements?

USER: I have price limit: 500, connections limit: 1.

ASSISTANT: Sure, Please wait a moment.

USER: OK.

ASSISTANT: Thank you for waiting. There is a fight found with number 1014, Airline: Hawaiian and price is 200. Shall I proceed with booking?

USER: Yes please.

ASSISTANT: Your flight ticket has been confirmed successfully.

USER: OK, thank you for your service.

ASSISTANT: Thank you for connecting us, Have a safe journey.