You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have to attend for an work shop at PHL. Can you please make a reservation from IAD?

ASSISTANT: Sure, let me know your travel dates please?

USER: Sure, I want to start my journey on June 13 and need to end it on June 15.

ASSISTANT: Do you have any other preference?

USER: No, I am comfortable with any flight.

ASSISTANT: May I know your name please to proceed further?

USER: Yes, my name is Patricia Roberts.

ASSISTANT: Delta Airlines is providing 2 connection flight with the ticket fare of 200 and depart time is 20:00 PM, arrival time is 23:00 PM. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1027 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.