You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Barbara Brown. Please help me with cancelling my reservation due to sudden demise of my aunt.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation found with your name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.