You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Brenda Martinez here. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Sorry Brenda, there is no no reservation available on your name.

USER: That's ok, thank you for your service.

ASSISTANT: You are welcome.