You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I abet you?

USER: I am Michael Thomas. I want to taste different varieties foods so, I want to attend a food festival at Denver, Den. Can you please book a ticket on 08/24?

ASSISTANT: Sure, could you please tell me when you are panning to return?

USER: Return is on 08/26.

ASSISTANT: Help me with your boarding airport code.

USER: Source is New York, EWR.

ASSISTANT: Thank you for being patience. I am here to inform you that, there is a flight available with AA airline, flight number 1005 with fare 100 and a lay by.

USER: You can proceed.

ASSISTANT: Your booking is confirmed successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.