customer: Hello. 
 agent: Hello, welcome to ABC agency. How may I assist you for today? 
 customer: My name is Timothy Wilson. I am planning to travel from PHX to DEN to attend my sister's wedding, could you please help me with booking a flight ticket? 
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 customer: My preferable dates are from 08/25 to 08/27. 
 agent: I'm happy to say you that there is a flight available for you and the fare is 300. May I confirm you ticket with Frontier airlines? 
 customer: Yes, please confirm. 
 agent: Ok, your ticket is reserved and the flight number is 1012. 
 customer: Thank you for your help. 
 agent: Thank you for reaching our agency.
agent: Yes, I can help you in booking your ticket. May I know your preferable dates?