You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Linda Johnson.

ASSISTANT: How can I abet you?

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

ASSISTANT: Sure. Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. No reservation found with your name.

USER: Ok, not an issue. Thank you for quick response.

ASSISTANT: Thank you.