You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can help you today?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name for checking your previous reservation status?

USER: Sure, please check the reservation with my name Carolyn Green.

ASSISTANT: Ok, please wait a moment, I will check your reservation status.

USER: Sure, take your time to check.

ASSISTANT: There is no previous reservation found on your name Carolyn Green.

USER: Oh! May be booking has not done properly. Anyway, thank you for your time.

ASSISTANT: You are welcome.