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

ASSISTANT: Hello, how can I aid you?

USER: My holiday trip got cancelled, can you please help me in cancelling my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.