You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I will help you. Can I know your name please?

USER: Myself Samantha King.

ASSISTANT: King, there is no reservation with your name to cancel further.

USER: No problem, thanks for checking.

ASSISTANT: My pleasure. Have a great day!.