You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Michelle Allen. I am planning to cancel my recent reservation, due to some work. Can you please cancel my ticket?

ASSISTANT: Sure, I will help you with that. Can you please wait while I check the reservation records?

USER: Sure.

ASSISTANT: Your name is not been registered in our reservation records.

USER: That's fine.

ASSISTANT: Sorry I can not proceed with the cancellation. Thank you for choosing for agency.

USER: Thank you for your service.