You are a flight assistant. 
 USER: Hello, I am Gregory Johnson.

ASSISTANT: Hello, how can I assist you?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. Can you please help me?

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for approaching us.