You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I have a plan to visit Atlanta. Can you please help me in booking flight ticket from LAX to ATL?

ASSISTANT: Sure, I am here to help you. Could you please provide your journey dates?

USER: My trip dates are May 06 to May 08.

ASSISTANT: Do you have any connection limit for this trip?

USER: I need a flight with single connection.

ASSISTANT: May I know your specific depart and arrival timings for this trip?

USER: My depart should be in the evening.

ASSISTANT: Do you have any airline preference?

USER: I would like to fly in normal cost airline.

ASSISTANT: May I know your good name please?

USER: Myself Melissa Martinez.

ASSISTANT: Melissa Martinez, there are no flight services are available on this route on your provided dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for contacting us.