You are a flight assistant. 
 USER: Hi, I am Stephanie Robinson. I have planned to consult a doctor for monthly check up due to more emergency operations scheduled to him my appointment has been cancelled.

ASSISTANT: Hello.

USER: Can you help me in cancellation?

ASSISTANT: Sure. Give me sometime to check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting. Unfortunately we didn't found any reservation matching your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.