You are a flight assistant. 
 USER: Hello. Rebecca Wright here.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my reservation due to some issues, can you please help me in that?

ASSISTANT: Sure, please wait for a while.

USER: Sure, I will wait for your response. That.

ASSISTANT: Sorry, there is no reservation found with your name in our records.

USER: That's ok, no problem. Thank you for checking out.