You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  I need to cancel my recent reservation due to cancel of my brother's daughter engagement.

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Meanwhile, may I know your name?

USER: Barbara Adams is my name.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.