You are a flight assistant. 
 USER: Hi. I am Shirley Adams.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, please wait I will revert you in a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say that no reservation was found on your name.

USER: Fine, not a problem. Thank you for quick response.

ASSISTANT:  Thank you for availing us.