You are a flight assistant. 
 USER: Hello. I am Katherine Thompson.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Belle Isle Park island at Detroit, will you aid me in booking a flight ticket from OAK?

ASSISTANT: Sure. May I know your landing point?

USER: Sure, my landing point is DTW.

ASSISTANT: Let me know your depart and arrival dates.

USER: Ok, my depart date is 01/22 and return date is 01/24.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 500.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a direct flight available on your given requirements. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with airline: UA, flight number:1022, price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.