You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good morning.

USER: James Anderson here.

ASSISTANT: What kind of service you are expecting for me?

USER: Can you help me to book a flight from PHL on 12/27?

ASSISTANT: Sure, I am here to help you. May I know the nearest airport code?

USER: My remaining details, return from MSP on 12/29.

ASSISTANT: Ok, please hold on.I will check the details of your flight and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a flight in AA airline has the price 300. Are you fine with these details?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked with the flight 1012, have a nice day.

USER: Thank you for your great service.

ASSISTANT: You are welcome.