You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me out in changing the reservation due to postponment of my exams?

ASSISTANT: Sure, please provide me your name?

USER: My reservation was made with the name of  Steven Moore.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us.