You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please cancel my recent reservation which I have done with my name Christine Lewis.

ASSISTANT: Ok, I will help you.

USER: Thank you.

ASSISTANT: Can you please give me a minute to check the reservation?

USER: Sure, take your time.

ASSISTANT: Sorry Lewis, there is no reservation found with your name to cancel.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.