You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jeffrey Lee.

ASSISTANT: How may I help you today?

USER: Could you please help me to cancel my recent reservation as my trip got cancelled?

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.