You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to spend some more time with my parents in my hometown, can you help me to change my existing reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Meanwhile, may I know your name?

USER: Yes, my name is Laura Jones.

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

USER: Ok fine, thank you for the information.

ASSISTANT: Thank you for reaching us, hope we will get an opportunity to serve you in future.