You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my flight reservation as I am unwell. Can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on whose name you did the reservation?

USER: I am Eric Taylor.

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: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.