You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my recent reservation, will you help me with that?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Thank you for accepting my request, myself Sarah Campbell.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sarah Campbell, I found your reservation. Shall I cancel it?

USER: Sure, you can cancel it.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you very much for contacting our agency.