You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I want to cancel my recent reservation as father already done booking with another airline. Can you help me out?

ASSISTANT: Sure, May I know your name?

USER: Joshua Collins is my name.

ASSISTANT: Please wait a second.

USER: OK.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, not a big problem. Thanks for your response.

ASSISTANT: Thank you for choosing us.