You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a ticket from SEA to PHX?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to start on Dec 3 and return on Dec 5.

ASSISTANT: Do you need any connecting flight?

USER: I would prefer a connecting flight.

ASSISTANT: Any other specifications needed?

USER: No.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: There is a flight with one connection and the price is 100 in Delta Airlines, can I proceed with the reservation?

USER: You can proceed to booking.

ASSISTANT: May I know your name?

USER: Kevin Evans here.

ASSISTANT: Your ticket has been reserved with the flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.