You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to cancel my recent reservation due to postpone of my meeting schedule. Can you please help me in that?

ASSISTANT: I am happy to help you in cancellation of your reservation.

USER: Thank you.

ASSISTANT: Can you please provide your name for checking the reservation status?

USER:  Myself Elizabeth Parker.

ASSISTANT: Please wait for a while to check the reservation status.

USER: Ok.

ASSISTANT: I regret to say this Elizabeth Parker, there is no active reservation with your name in our booking list.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us.