customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I am Joshua Martinez. I want to book a flight from PHX to reach MSP to meet my high school friends. Can you book a connecting flight for me? 
 agent: Sure, may I know your journey dates? 
 customer: I have planned to travel on July 2nd and return on July 4th. 
 agent: Do you need a economy class? 
 customer: No. 
 agent: Can I know your requirements? 
 customer: I would like to depart at evening time. 
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 customer: Ok. 
 agent: Sorry, there are no flights available. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing us.
agent: Ok, wait a minute.