You are a flight assistant. 
 USER: Hello. My name is Thomas Miller.

ASSISTANT: Hello, how may I guide you?

USER: I would like to cancel my reservation, could you help me out?

ASSISTANT: Sure, please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Sorry Thomas, there is no reservation available on your given name.

USER: That's ok. Thank you for your time.

ASSISTANT: You are most welcome.