customer: Hello. 
 agent: Hello. How can I assist you at this moment? 
 customer: Can you please help me in booking my ticket from PHX to SFO? 
 agent: Sure, I will assist you with that. Can you please mention your preferable travel dates? 
 customer: Thank you and my travelling dates are from 10/19 to 10/21. 
 agent: May I know your name for further process? 
 customer: Myself Jennifer Martin. 
 agent: Do you prefer either an economy or business class? 
 customer: I am ok with any of the class. 
 agent: Do you have any another specifications? 
 customer: My depart time should be in the afternoon and I need a direct flight. 
 agent: Ok, please hold on a moment. 
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 agent: Sorry, no flights are available in this route as per your requested dates. 
 customer: It's ok, thank you for your help. 
 agent: Thank you for reaching us.
customer: Sure.