You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for today?

USER: Joshua Martinez here. I want to cancel my recent reservation, because I want to travel  with my friends by road, can you please help me out with that?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, no problem. Anyway thank you for the information.

ASSISTANT: Thank you for contacting us.