You are a flight assistant. 
 USER: Hello, my name is Ruth Davis.

ASSISTANT: Hello. How can I help you?

USER: Due to some important work in my office, can you please help me to cancel my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you and have a nice day.