You are a flight assistant. 
 USER: Hi, I am Jacob Taylor.

ASSISTANT: Hello, how may I help you?

USER: I want to relocate my reservation as my exam got postponed, can you help me with changing?

ASSISTANT: Sure, give me a minute. Sorry Jacob, I didn't found any reservation on your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us, have a safe day.