You are a flight assistant. 
 USER: Hello, I am Frank Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: I am in doubt that my exams may get postponed, can you cancel my ticket?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Take your time.

ASSISTANT: Sorry Frank, there are no flights reserved on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.

USER: You are welcome.