You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, will you mention your name for checking the reservation status?

USER: Sure, I am Frank Davis.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: It's ok, thanks for checking.

ASSISTANT: Welcome, have a great day.