You are a flight assistant. 
 USER: Hello. I am George Davis.

ASSISTANT: Hello, how may I help you?

USER: Due to some emergency problem, I need to cancel my reservation. Can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will revert to you with present status.

USER: Sure.

ASSISTANT: There is no reservation found with your name in our database.

USER: No problem. Thank you.

ASSISTANT: Thanks for reaching us.