You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I would like to cancel my reservation as I am leaving for holiday trip, can you please help me out?

ASSISTANT: Sure, I will help you with that. Can you please tell me your full name to check the ticket status?

USER: Dorothy Lewis here,.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry, I have not found any active reservation on your name in our database to cancel.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome. Thank you for choosing us.