You are a flight assistant. 
 USER: Hello, myself Carol Perez.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my flight reservation as my sister is sick, can you please help me?

ASSISTANT: Sure, please be on hold for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name to cancel it.

USER: No problem. Anyway, thank you for checking.

ASSISTANT:  Thanks for reaching us, hope your sister recovers soon.