You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please cancel my recent reservation which I have done previously with my name Carol Davis.

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

USER: Sure.

ASSISTANT: I have found your reservation, shall I proceed to cancel it?

USER: Sure, please cancel it.

ASSISTANT: Your ticket has been cancelled successfully.

USER: That's ok, thank you for your information.

ASSISTANT: Welcome.