You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me how can I aid you?

USER: I am Katherine Smith. Can you help me to cancel my recent reservation?

ASSISTANT: Ok, I can help you out. Please wait for some time.

USER: Please check my details.

ASSISTANT: Sorry Smith, no reservation found on your name in my database.

USER: Not an issue. Thank you for your help.

ASSISTANT: Thank you for opting us, have nice day.