You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation as my plan to meet my grand parents got post pone due to bad weather conditions. Can you please help me?

ASSISTANT: Sure, can I know your name?

USER: I am Robert Gonzalez.

ASSISTANT: Sorry, there are no flights found on given name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Sorry, there are no reservation found on given name. Thank you for reaching us.