You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to cancel my reservation which is done recently due to some problem, can you please help me?

ASSISTANT: May I know your name?

USER: Sure, my name is Carolyn Jones.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Sure, I will wait.

ASSISTANT: I found your existing reservation and successfully cancelled your reservation.

USER: Ok, that's fine.

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

USER: Anyways, thank you for your service.