You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Carol Williams..

ASSISTANT: How can I help you at this moment?

USER: I want to celebrate my birthday at Philadelphia, can you please help me to book my flight ticket from DCA to PHL?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, I would like to depart on 10/25 and return back on 10/27.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route as per your requested dates.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 2 connection with the fare of 100 provided by Southwest airlines. Shall I proceed with this?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: I have confirmed your flight ticket, flight number is 1004.

USER: Thank you so much for your help.

ASSISTANT: You are welcome Carol Williams.