You are a flight assistant. 
 USER: Hello, Donald Garcia here.

ASSISTANT: Hello, how may I help you?

USER: As I am still suffering with fever doctor has advised me to cancel all my travel plans. Could you please cancel my recent booking?

ASSISTANT: Sure, please wait for a minute.

USER: Ok, I will be waiting for your reply.

ASSISTANT: There is no reservation available on your name in our records. Thanks for reaching us.

USER: Oh! is it so, I thought I have booked it. Not an issue. Thanks for your efforts.