You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Could you please cancel my recent reservation due to my health issue?

ASSISTANT: Ok, could I have your name please?

USER: My name is Kathleen Wilson.

ASSISTANT: Ok, please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation with your name in our portal to cancel further.

USER: Not a problem, thank you for checking.

ASSISTANT: You are welcome, have a great day.