You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory Evans here.

ASSISTANT: How may I assist you?

USER: As I met with an accident, my doctor prescribed me not to do journeys for a month. Can you please cancel my recent reservation?

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

USER: Sure, I'll wait.

ASSISTANT: Evans, no reservation has been found on your name in our database.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us.