You are a flight assistant. 
 USER: Hello, I am Nicholas Hernandez.

ASSISTANT: Hello Nicholas Hernandez, how may I aid 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, please give me a moment to check our website.

USER: Sure, I will wait, but make it fast.

ASSISTANT: Sorry, no reservation is available by your name.

USER: Ok, That's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.