You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Deborah Adams.

ASSISTANT: May I know, How can I assist you for the day?

USER: I need to travel from Los Angeles CA-LAX to Atlanta GA-ATL.

ASSISTANT: OK.

USER: My depart is on 11/18 returning is on 11/20.

ASSISTANT: May I know, Do you have any restriction on price limit?

USER: Ya price limit is 5000 and with a single connection.

ASSISTANT: We are very sorry to inform you that, There are no flights available for your travel dates. Thank you, For making an inquiry with us regarding ticket booking.

USER: Thank you.

ASSISTANT: Have a nice day.