You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you for the day?

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

ASSISTANT: Sure, I will help you. May I know your name?

USER: My name is Elizabeth Evans.

ASSISTANT: Please wait, I will check the reservation list and notify you.

USER: Sure.

ASSISTANT: Thanks for your patience, we did not find any reservation on the name of Elizabeth Evans.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for approaching us.