You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Hill, I want to cancel my recent reservation because my exams got delayed.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation on your name.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your kind response.

ASSISTANT: Have a good day.