You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Alexander Scott. Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Just wait a moment, let me check and back to you.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found with your given name.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for availing us.