You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Linda Davis. I would like to book a flight ticket from GA-ATL to NV-LAS to meet my uncle.

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I want to depart on 04/26 and arrive on 04/28.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.