You are a flight assistant. 
 USER: Hello, I am Donna Anderson.

ASSISTANT: Hello. How can I assist you?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 12/02 to 12/04.

ASSISTANT: Can you share your airport codes?

USER: My preferable airport codes are from MCO to DEN.

ASSISTANT: Do you have any preferences?

USER: I need connection flight. I can afford up to 1000.

ASSISTANT: There is a flight 1000 in AA airline and price is 700 with a connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, Your ticket has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.