You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Carolyn Martinez. I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, please give me a minute.

USER: Ok, take your time.

ASSISTANT: There is no reservation available to proceed further.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for reaching us.