You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation. Please help me in this.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Can I know your name?

USER: Myself Jack Adams.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Thank you.

ASSISTANT: Most welcome.