You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ryan Thompson.

ASSISTANT: How may I help you?

USER: I would like to cancel my recent reservation, due to health issue. Can you help me in my cancellation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting. Sorry, no reservation found on your name to proceed for cancellation.

USER: Not an issue. Thank you for your quick response.

ASSISTANT: Thank you for approaching us.