You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my flight reservation as my father is unwell, can you please help me?

ASSISTANT: I am here to help you with your concern.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: I am Jason Brown.

ASSISTANT: Wait a while.

USER: Sure.

ASSISTANT:  Sorry, there is no reservation found for the user name in our back end to cancel it.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.