You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: Thank you. Carolyn Anderson here.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, thank you.

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