You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Jacob Rodriguez. I would like to change my recent reservation, can you help me in changing my reservation?

ASSISTANT: Sure, please wait for sometime.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Its ok, thank you for your help.

ASSISTANT: Thank you for selecting us.