You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty King here.

ASSISTANT: How can I assist you?

USER: I want to cancel my existing reservation, due to some personal issue.Can you please help me out?

ASSISTANT: I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Please wait I will check and let you know about your reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry for the inconvenience, I did not fined any active reservation on your name to cancel.

USER: Not an issue, thank you for your service.

ASSISTANT: Ok, thank you for reaching us.