You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Actually, I have planned for the trip, but I have a important meeting in those dates, so I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I would like to help you but give me a minute, I will get back with your details.

USER: Ok.

ASSISTANT: Please may I know your name, because to proceed the booking. Can you please provide your name to cancel your reservation.

USER: My name is Andrew Parker.

ASSISTANT: Sorry to say that there is no reservation found on your name.

USER: That's fine, thank you for searching.

ASSISTANT: You are welcome.