You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, May I know your name please?

USER: I am Susan Nelson.

ASSISTANT: How best can I provide service to you?

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

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Please wait, I will check the present status of your reservation.

USER: SUre.

ASSISTANT: We regret that, there is no reservation found on your name to change it.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thanks for reaching us, Have a great day!.