You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation. Can you help me for that one?

ASSISTANT: Yes, can you tell me your name?

USER: Sure, Dorothy Lewis here.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.