You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to book a flight ticket from PHL to IAD?

ASSISTANT: I am here to help you with your concern. Sure, can you please let me know your trip dates?

USER: My trip dates are 12 Dec and 14 Dec respectively.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I prefer for connecting flight.

ASSISTANT: Are you comfortable with economy class flight or business class flight?

USER: No other preferences.

ASSISTANT: Thank you for confirming. If you can help me with your name, I can proceed further to check with the flights availability.

USER: Larry White here.

ASSISTANT: Thank you for sharing all the required details. Please allow me 2-3 minutes.

USER: Ok.

ASSISTANT: Thank you for waiting, Delta Airlines is having a single stopover with 1025 flight number and airfare is 300. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: For a economy class your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.