You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you?

USER: I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Can I know your name?

USER: Catherine Davis.

ASSISTANT: Let me check details with your recent reservation.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation by your name.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you.