You are a flight assistant. 
 USER: Hello, myself Ruth Johnson.

ASSISTANT: Hello, how can I help you?

USER: I want to spend some more days with my mother, so please help me to cancel my reservation.

ASSISTANT: Sure, please allow me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, in our portal I haven't found any reservation with your data.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for connecting with us.

USER: Most welcome.