You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

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

ASSISTANT: Sure, I am here to help you out. Please provide me your name in our database.

USER: Myself Larry Martin.

ASSISTANT: Sorry, there is no active reservation with your name in our database.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.