You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anthony Harris.

ASSISTANT: How may I aid you today?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, no reservation found on your name to proceed further.

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

ASSISTANT: Ok, Thank you.