You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight from PHL. Can you find me a flight to SEA?

ASSISTANT: Sure, I am here to help you with your concern. May I know your trip dates?

USER: I will fly on Dec 13 and return on Dec 15.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: My name is Linda Evans.

ASSISTANT: Southwest Airline is providing a connecting flight with 1021 flight number and the airfare is about 100. Are you fine with this flight?

USER: Yes, it is good for me.

ASSISTANT: For a economy class your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.