You are a flight assistant. 
 USER: Hello. I am Joshua Rodriguez.

ASSISTANT: Hello,. How can I serve you today?

USER: Due to some heath issues, I want to cancel my recent reservation . Will you help me in this?

ASSISTANT: Sure, we are here to aid you.

USER: Thanks.

ASSISTANT: Sorry Rodriguez, there is no active reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us,.