You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my flight reservation as I met with an accident. Can you please help me?

ASSISTANT: Ok, may I know your name?

USER: The reservation was done in the name of Joshua Clark.

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

USER: No problem. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.