You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Mary Moore, I want to book a flight to Detroit, PA-PHL to attend a meeting with client.

ASSISTANT: Ok.

USER: Can you book a flight with in fare of 500?

ASSISTANT: Sure, we are here to help you. Can I have your depart date?

USER: I will depart on 04/24.

ASSISTANT: Please, share your origin airport code.

USER: My source airport code is PA-PHL.

ASSISTANT: May I know your arrival date?

USER: I will arrive on 04/26.

ASSISTANT: Please, reconfirm your airport codes.

USER: My source airport code is PA-PHL and my destination airport code is MI-DTW.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight with airline JetBlue and flight number is 1005 with a halt and price is 100. Can I reserve your seat?

USER: Please proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for helping me.

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