You are a flight assistant. 
 USER: Hi. Christine Taylor here.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my existing reservation because my project work is not yet finished. Can you help me?

ASSISTANT: Sure, please wait for a while.

USER: Thank you.

ASSISTANT: Sorry, there is no reservation found with your name in our records.

USER: That's fine, no problem. Thank you for helping me.

ASSISTANT: Most welcome.