You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Perez.

ASSISTANT: How may I help you?

USER: I need to cancel my reservation, can you help me out?

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your own time.

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

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.