You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I need a connecting flight to attend a event in Philadelphia, can you please avail a flight ticket for me?

ASSISTANT: Sure, may I know your good name?

USER: My name is Donald Wilson.

ASSISTANT: Could you please provide your take off airport code?

USER: My take off airport code is IAD.

ASSISTANT: May I know your planned travel dates?

USER: My journey start from Washington on Feb 29th, and return back on Mar 2nd.

ASSISTANT: Do you have any other specifications?

USER: No other specifications in my journey.

ASSISTANT: We found a connecting flight 1005 from United Airlines has fare 200. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.