You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to cancel my reservation? Because my exam is postponed to next month.

ASSISTANT: May I know your name?

USER: Sure, my name is Barbara Jones.

ASSISTANT: Sorry, no reservation found on your name.

USER: No issues with that.

ASSISTANT: Thank you.

USER: Thank you for your time.