You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Amy Nelson and I want change my recent reservation. Can you please help me?

ASSISTANT: Sure, I am glad to help you out with that. Please give me a moment to check your reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in our database.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.