You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am William Evans, want to travel from DFW to PHX. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my trip dates are from 09/27 to 09/29.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in Frontier airline with 1 connection and the fare is 300. Shall I confirm your ticket with this airline?

USER: Please proceed.

ASSISTANT: your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.