You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please reserve me a flight ticket from ATL to LAS to attend a film festival?

ASSISTANT: Sure, on which dates you have planned to travel?

USER: I have planned to depart on June 17 and return on June 19.

ASSISTANT: May I know your name please?

USER: I am Ashley Smith.

ASSISTANT: Do you have any specifications to be met?

USER: My depart time should be morning.

ASSISTANT: Sorry, no flights found in your given dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.