You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jonathan Clark. Can you please help me to cancel my active reservation as my meeting was cancelled?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Jonathan Clark, no reservation has been found on your name in our records.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you so much.