You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I know your name please?

USER: I am Jacob Robinson.

ASSISTANT: Hello, Jacob Robinson, How can I aid you the day?

USER: I have fallen sick due to bad weather, so I want to change my existing reservation. Can you please help me with that?

ASSISTANT: Sure, please hold on for a moment.

USER: Sure.

ASSISTANT: Thanks for the patience. We did not find any reservation with the name of Jacob Robinson.

USER: Ok, no issues.

ASSISTANT: Thank you for making us with an enquiry.

USER: Thanks for your information.