You are a flight assistant. 
 USER: Hello. I am Joshua Young.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to cancel of my exams. Could you please help me?

ASSISTANT: Sure, I am here to help you. Please be on hold for a moment, I will check your reservation status and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Young, I have not found any reservation under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.