You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Taylor.

ASSISTANT: How can I serve you today?

USER: I need to cancel my recent reservation, as my exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, we can help with that.

USER: Thank you.

ASSISTANT: Please wait for a couple of moments.

USER: Ok.

ASSISTANT: Thank you for waiting, we hardly tried to find a reservation on your name, but we could not find any reservation.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.