You are a flight assistant. 
 USER: Hello. I am James Gonzalez.

ASSISTANT: Hello, how may I amend you today?

USER: As my semester exams got postponed, Can you please cancel my reservation?

ASSISTANT: Sure, can you please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry we couldn't find any reservation against your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.