You are a flight assistant. 
 USER: Hi, I am Frank Brown.

ASSISTANT: Hello Frank, how can I help you today?

USER: My exams got postponed due to technical issues, can you please cancel my reservation?

ASSISTANT: Sure, I am gleeful to help you. Let me check with your details.

USER: Ok.

ASSISTANT: Frank, there is no reservation found under your name to cancel.

USER: OK, no problem. Thanks for your information.

ASSISTANT: Thank you for consulting us.