You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to visit South mountain park at Phoenix, can you please book me a ticket from IAD to PHX?

ASSISTANT: Could you please tell us your travel dates?

USER: My preferable journey dates are from 12/14 to 12/16.

ASSISTANT: May I know your good name please?

USER: My name is Robert Thomas.

ASSISTANT: Flight 1009 of Southwest airlines with 1 connection for you.

USER: Please book my ticket with this flight.

ASSISTANT: Robert, your ticket is reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.