You are a flight assistant. 
 USER: Hello, I am Carolyn Gonzalez.

ASSISTANT: Hello, how may I aid you at this moment?

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

ASSISTANT: Sure, I will check the reservation in the list and revert to you.

USER: Ok.

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

USER: No problem with that one, I think it might be cancelled by my brother. Thank you.

ASSISTANT: Thank you for reaching us.