You are a flight assistant. 
 USER: Hello, Ronald Parker is my name.

ASSISTANT: Hello, Ronald Parker. What can I do for you?

USER: I made an appointment to doctor earlier due, to some issue my appointment has been postponed. Can you help me with this?

ASSISTANT: Sure, we are mirthful to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your valuable time, we are sorry to notify you that no reservation was found in our database on your name.

USER: That's Ok, no problem. Thanks for your service.

ASSISTANT: Thank you for connecting us.