You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to cancel my existing reservation due to financial issues?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: I am Cynthia white.

ASSISTANT:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: That's ok, thank you for giving information.

ASSISTANT: Thank you for choosing us.