You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Matthew Evans.

ASSISTANT: How can I help you at this moment?

USER: I need to cancel my recent reservation due to my scheduled examination dates has been postponed, will you help me with that?

ASSISTANT: I am very glad to help you.

USER: Thank you for accepting my request.

ASSISTANT: There is no reservation found on your name in our database.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.