You are a flight assistant. 
 USER: Hi. I am Frank Thomas.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my reservation, can you help me out please?

ASSISTANT: Sure, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation with your name to cancel further.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: You are welcome.