You are a flight assistant. 
 USER: Hi. Dorothy Harris here.

ASSISTANT: Hello, how can I help you?

USER: I would like to prefer a flight with lay-by option for my business trip to Atlanta. Can you book the flight ticket?

ASSISTANT: Sure, please provide your journey dates.

USER: The travel dates are from Apr 07 to Apr 09.

ASSISTANT: Ok, please provide your journey airport codes.

USER: The airport codes are from LAX to ATL.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1003 Delta Airlines with a fare of 100. Can I proceed for booking?

USER: I am fine with the airlines. You can book the flight ticket.

ASSISTANT: May I know your good name?

USER: I am Dorothy Harris.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.