You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: As my exam got cancelled, can you help me to cancel my reservation?

ASSISTANT: Yes, I can help you. Can I know your name for checking?

USER: Sure, my name is Mary Turner.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for consulting us.