customer: Hi. 
 agent: Hello, how can I assist you today? 
 customer: I am Karen Turner. Can you please book a direct flight for me? 
 agent: Sure, when you are willing to travel? 
 customer: I am planning to travel on 10/29 and 10/31. 
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 customer: My preferred airport codes are OAK and PHX. 
 agent: Ok, wait for some time. 
 customer: Sure, take your time. 
 agent: Unfortunately there is no flights found on your details. 
 customer: That is fine, not an issue. 
 agent: Thanks for approaching us. 
 customer: Thank you.
agent: Can you provide me your leaving point and heading point?