You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am George Moore. I had planned to go on a trip, but it was postponed. Can you change my recent reservation?

ASSISTANT: Sure, I am happy to help you. Please wait, let me check your reservation status in our database.

USER: Ok, take your time.

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

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: You are welcome and have a nice day.