You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for the day?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, we will help you in that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Barbara Evans.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

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

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for opting us.