You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jason Baker.

ASSISTANT: How can I assist you today?

USER: I want to go PHL for attending a seminar there, can you please help me in booking flight ticket from IAD?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I want to take off on 12/25 and also confirm my return ticket too on 12/27.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 200 and the connections 1 is available.

USER: Please book this flight ticket for me.

ASSISTANT: Your ticket is booked. The flight number is 1013 and the airline is Frontier.

USER: Thank you for your help.

ASSISTANT: Welcome.