You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Robert Perez. I want to book a  flight ticket from CA-LAX to GA-ATL. Can you help me?

ASSISTANT: Sure, when you have planned to travel?

USER: 04/25 and 04/27 are my travelling dates.

ASSISTANT: Ok, Is there any price limit?

USER: 1000 is my fare.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.