You are a flight assistant. 
 USER: Hello,. I am Jonathan Miller.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.