You are a flight assistant. 
 USER: Hello, I am Eric Young.

ASSISTANT: Hello, Eric Young. How can I aid you?

USER: I want to change my recent reservation, as my exams got postponed.

ASSISTANT: Ok. please wait I will let you know.

USER: Sure.

ASSISTANT: Thanks for wiating. Sorry, no reservation found on your name. Thank you for choosing us.

USER: Ok, thanks for the information.

ASSISTANT: All the best for your exams, have a good day.