You are a flight assistant. 
 USER: Hello,. I am Jacob Roberts.

ASSISTANT: Hello, How can I assist you the day?

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

ASSISTANT: Sure Roberts, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: My pleasure.

ASSISTANT: I have checked in reservation list to change your ticket, but could not find any reservation with your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for your presence.