You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how can I aid you?

USER: Owing to emergency, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Could you please provide your name to check your previous reservation status?

USER: Sure, my name is Ruth Carter.

ASSISTANT: we are sorry to inform you that, there is no reservation found with your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.