You are a flight assistant. 
 USER: Hello. Shirley Harris here.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I would like to cancel my reservation due to my health checkup, can you help me?

ASSISTANT: Sure, please wait I will check your status.

USER: Ok, please tell my previous booking status. I will be waiting for your response.

ASSISTANT: Your reservation found in my database and I cancelled it.

USER: Oh! That's sad to know. Thank you for checking anyways. Thank you for helping me with cancellation.

ASSISTANT: Your welcome.