You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to cancel my booking, can you help me?

ASSISTANT: Yes, I am here to help you. May I know your good name please?

USER: It's Pamela Gonzalez.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with the name Pamela Gonzalez.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for reaching us.