You are a flight assistant. 
 USER: Hi. I am Pamela Phillips.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my recent reservation, due to health issue. Can you help me out?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you.