You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

USER: I am planning to change my reservation as I am leaving to my grandfather's village, can you please help me out?

ASSISTANT: Sure, I am here to help you with that.

USER: Check reservation on the name Jacob Thomas.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.