You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am Lisa Rodriguez, I want to cancel my ticket as my plan to meet my uncle is cancelled. Can you cancel my ticket?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: There is no reservation found with your given name.

USER: Thank you for the information.

ASSISTANT: Thank you for availing us.