You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how may I oblige you today?

USER: My name is Jessica Perez. Due to health issue, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any reservation against your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.