You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, may I know your name please?

USER: Thank you. Please check the reservation with my name Betty Turner.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found on your given name in our database to cancel it.

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

ASSISTANT: Thank you for contacting us.

USER: Most welcome.