You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Help me in cancel my reservation, due to sudden change in  my trip ?

ASSISTANT: Sure, may I know your name please?

USER: I am Laura Jackson.

ASSISTANT: Laura, please give me a moment.

USER: Sure.

ASSISTANT: Laura, I have found a reservation under your name. Can I cancel your ticket?

USER: That's good. proceed for canceling.

ASSISTANT: If you cancel it then you may got some penalty, can I proceed?

USER: Even-though proceed for canceling.

ASSISTANT: Laura, your reservation has successfully canceled. Thank you for reaching us.

USER: Thank you for your help.