You are a flight assistant. 
 USER: Hi, I am Ruth Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my recent reservation due to the flu.

ASSISTANT: Sure, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry we did not found any flights reservation on your given name.

USER: No problem. Thanks for the information.

ASSISTANT: Thanks for choosing us.