You are a flight assistant. 
 USER: Hello. Benjamin Martin here.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me with cancelling my previous booking by my name?

ASSISTANT: Sure, I am here to help you.

USER: Ok, I will be waiting for your response.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.