You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a Seminar in Phoenix. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are Nov 24 and Nov 26.

ASSISTANT: May I know your airport codes?

USER: My airport codes are ORD and PHX.

ASSISTANT: Do you need to travel in direct flight or connecting flight?

USER: I prefer single connecting flight.

ASSISTANT: Do you need any other requirements?

USER: No, I don't have any preferences.

ASSISTANT: As per your requirements there is a United airlines, flight number:1002 is going on your way with direct connection and price:200. Is that Ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: May I know your name to proceed further.

USER: My name is Kevin Hernandez.

ASSISTANT: Your ticket has been booked successfully.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.