You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to book a flight ticket from DCA to ATL?

ASSISTANT: Sure, I will help you. May I know your good name?

USER: Ok, please book a ticket on the name Michelle Green.

ASSISTANT: Can you please share your planned journey dates?

USER: Yes, my dates of journey are May 13 and 15th respectively.

ASSISTANT: Let me know your connection preference.

USER: Ok, please book a connecting flight.

ASSISTANT: Which class would you prefer for your journey?

USER: Any class is ok for me.

ASSISTANT: Do you have any other requirements?

USER: Yes, please book a normal cost airlines because I prefer the service provided by them.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with fare 200 and single connection in Delta airilne. Shall I confirm it?

USER: Yes.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1027.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for opting us, have a safe journey.