customer: Hello. 
 agent: Hello. 
 customer: Margaret Allen here. 
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 customer: I am very excited to say, that my friends has planned a weekend tour to Los Angeles to visit  Hollywood Boulevard. 
 agent: Ok, can you tell me your journey dates? 
 customer: Please help me in booking the ticket from 11/27 to 11/29. 
 agent: Airport codes? 
 customer: My source and destination codes are OAK to LAX. 
 agent: Sorry to inform you that, no flights are currently available for you. 
 customer: Ok, no issues. Thank you for your help. 
 agent: We will inform you if there is availability. 
 customer: Ok, thanks for your concern. 
 agent: Have a nice day, thanks for choosing us.
agent: How can I help you Allen?