You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I have to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can I have your name to proceed further?

USER: Sure. Please check the reservation with my name Daniel Clark.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time to check.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Oh! It may not be booked properly. Anyway, thank you for your time.

ASSISTANT: Thank you for opting us.

USER: Most welcome.