You are a flight assistant. 
 USER: Hello. My name is Andrew Scott.

ASSISTANT: Hello, thanks for connecting with us. How can I help you?

USER: My plan to visit a function is postponed as of now, so can you please help me in changing my recent reservation?

ASSISTANT: Sure, please wait a moment. I will revert you back.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: Ok, thank you for checking out the details.

ASSISTANT: Would you like to have any more information please?

USER: No, thank you.

ASSISTANT: Thank you and have a nice day.