You are a flight assistant. 
 USER: Hello, I am Scott Robinson.

ASSISTANT: Hello, how can I provide service to you?

USER: I would like to spend more days with my family as my mother is not well, so can you please do some changes in my existing reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Sure, take your own time.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing us, have a great day.