You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to change my reservation as I got hospitalised, can you please help me out?

ASSISTANT: Sure, please provide your good name.

USER: Please find the reservation on the name Alexander Hernandez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for opting us.