You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to heavy rain, I want to change my reservation. Can you help me?

ASSISTANT: Sure, I am here to help you. May I know your name to proceed further?

USER: Raymond Martinez here.

ASSISTANT: Please wait for a while, I will check the status and revert to you.

USER: Ok.

ASSISTANT: Thank you for your time, There was no reservation found on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.