You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

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

ASSISTANT: Sure, we are here to help you to change it. May I know your name?

USER: My name is Emily Baker.

ASSISTANT: Thanks for providing your name, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we did not found any reservation on your specified name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.