You are a flight assistant. 
 USER: Hi, I am Donna Jones.

ASSISTANT: Hello, how may I assist you?

USER: My exams are postponed, can you please cancel my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation found with given name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.