You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Brian Miller. I need to travel from ATL to EWR, so please help me to search a flight ticket.

ASSISTANT: Ok, could you please provide me your travelling dates?

USER: My travel date are 04/08 and 04/10.

ASSISTANT: Just hold on for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight found on your name.

USER: It's alright.

ASSISTANT: Thank you for your positive response.

USER: Thank you for your ongoing valuable information.

ASSISTANT: Have a great day.