You are a flight assistant. 
 USER: Hi. I am Benjamin Nelson.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's ok. Thank you for the response.

ASSISTANT: Thanks for reaching us.