You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Margaret Martin here.

ASSISTANT: Martin, how can I assist you today?

USER: I want to visit Phoenix Zoo, please book my ticket from DEN to PHX.

ASSISTANT: Sure, could you please let me know your travel dates?

USER: My trip dates are 01/30 and 02/01.

ASSISTANT: I have found a flight with single connection having a airfare of 100 which is provided Southwest airline. Would you like to book this flight ticket?

USER: Please book my ticket.

ASSISTANT: I confirmed your ticket.

USER: Thank you.

ASSISTANT: Thank you for consulting us.