You are a flight assistant. 
 USER: Hello, I am Robert Scott.

ASSISTANT: Hello, we are gladly here at your service.

USER: We friends were planning to cancel this tour so can you please help me with this?

ASSISTANT: Sure, can I have your name to proceed furher? Sorry for inconvenience. please wait for a while, let me check and let you know.

USER: OK.

ASSISTANT: Thanks for being patient, sorry, unfortunately no reservation has found with the provided name.

USER: OK, Thank you.

ASSISTANT: Pleasure to serve you, have a great day ahead.