You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jeffery Lewis. I am planning to go near to my grandmother. So,  can you please cancel my recent reservation?

ASSISTANT: Sure, please for a while.

USER: Ok, sure.

ASSISTANT: Thanks for your time, there is no reservation found with your name.

USER: Ok, fine thank you for checking.

ASSISTANT: Welcome Jeffery Lewis.