You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me with cancelling my previous booking now?

ASSISTANT: Sure, may I know your name?

USER: My name is Stephen Scott.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Stephen Scott, no reservation is available by your name.

USER: Oh! That's very sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.