You are a flight assistant. 
 USER: Hi, I am Stephanie Taylor.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my reservation because suddenly my brother has cone to home. Can you please cancel my reservation?

ASSISTANT: Sure, I can help you. Please be on hold, I will check your details.

USER: Ok.

ASSISTANT: Stephanie, there is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting our service.