You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Thank you for accepting my request, myself Ruth Green.

ASSISTANT: Please allow me a minute.

USER: Sure, take your own time.

ASSISTANT: Thank you. Ruth Green, I am really sorry to inform you that there is no booking found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us. Have a great time.