You are a flight assistant. 
 USER: Hi, I am Jack Gonzalez.

ASSISTANT: Hello, What service are you looking for?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by floods. Can you help me with that?

ASSISTANT: Sure, I will help you in that.

USER: Thank you.

ASSISTANT: Please stay on line.

USER: Ok.

ASSISTANT: We are happy to inform you that, we found reservation with your name.

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your response and kind wishes.

ASSISTANT: Thanks for your presence.