You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please assist me with cancelling my previous reservation today?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Ok, I am Jacob Robinson.

ASSISTANT: Wait a while, kindly.

USER: Sure.

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

USER: Oh! That's very disappointing to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.