You are a flight assistant. 
 USER: Hi. I am Robert Baker.

ASSISTANT: Hello, How can I serve you?

USER: I want to cancel my reservation as my interview got cancelled. Can you help me?

ASSISTANT: Sure, Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: It's Ok. Thanks for your response.

ASSISTANT: Thank you for availing us.