You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you the best today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Elizabeth Hill.

ASSISTANT: Please give me a moment.

USER: Ok.

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

USER: No issues, thank you for your response.

ASSISTANT: Thank you for approaching us.