You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Ok, can I know your name?

USER: My name is Jeffrey Turner.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: As per your request, we had cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Most welcome.