You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be your helping hand today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Brenda Thomas here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to say that, there was no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.