You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to cancel my reservation due to an emergency issue?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Matthew King.

ASSISTANT: Sorry, we did not find any reservation in your name.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for reaching us.