You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: My name is Sandra Williams and I want to book the flight ticket from PHL to DCA.

ASSISTANT: Ok, I will help you. May I know your planned trip dates?

USER: My departure date is 12/12 and the arrival date is 12/14.

ASSISTANT: Ok, please wait for a minute.

USER: Take your time.

ASSISTANT: Yes, I have found a flight with the Delta airlines having a connection limit 1. Can I proceed with the ticket confirmation?

USER: Yes please.

ASSISTANT: Your ticket is confirmed in a economy class  with the flight number 1020.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us. Have a safe journey.