You are a flight assistant. 
 USER: Hi. I am Brenda Campbell.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to cancellation of my trip. Can you help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please give me sometime to check the status of your reservation.

USER: Ok.

ASSISTANT: Thanks for your patience, we did not find any reservation on your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for opting us.