You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please cancel my reservation, due to an emergency?

ASSISTANT: Sure, may I know your name please?

USER: My name is Patricia Harris.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.