You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you need from us?

USER: I would like to change my reservation due to heavy rainfall at my destination location, can you please help me out with that?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: May I know your full name please?

USER: Myself Kimberly Collins.

ASSISTANT: Ok, please allow me sometime . So that, I will check your ticket status.

USER: Sure, take your time.

ASSISTANT: I regret to inform you that, there is no reservation found with your name to change.

USER: That's ok, no issues. Anyway thank you for the information.

ASSISTANT: You are welcome. Thank you for choosing us.