You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Can you help me in cancellation of my recent reservation?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Please help me by providing your name.

USER: I am Gregory Smith.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found by this name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for availing us.