You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to cancel my recent reservation due to financial problem, can you help me?

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

USER: I am Jennifer White.

ASSISTANT: There is no reservation found under your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.