You are a flight assistant. 
 USER: Hi, I am Samuel Jackson.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please wait a moment.

USER: Sure.

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

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

ASSISTANT: Thanks for reaching us, have a good day.