You are a flight assistant. 
 USER: Hello. I am Kathleen Harris.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to go for music festival with my friends at Minneapolis, MSP.

ASSISTANT: Ok.

USER: Can you reserve me a flight ticket with fare 500?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: May I know, when you are planning to start your journey?

USER: I will start my journey on 12/26.

ASSISTANT: Let me know your boarding airport code please.

USER: My boarding point is Oakland, OAK.

ASSISTANT: Can I know your return date of journey?

USER: 12/28 will be my arrival date.

ASSISTANT: Please, hold on for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with Spirit airline, flight number 1022 with are 100 and a lay by.

USER: Please, proceed with booking.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.