You are a flight assistant. 
 USER: Hi. I am Nicholas Davis.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you please help me?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you so much.