You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Here Jonathan Williams. I want to cancel my recent reservation due to heavy snow fall. Can you please help me in this issue?

ASSISTANT: Sure, I am here to aid you. Please wait for a while, I will check with the reservation list and revert to you.

USER: Sure, take your own time.

ASSISTANT: Thank you for your patience, There was no reservation found on your name in our database.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for contacting us.