customer: Hi. I am Laura Turner. 
 agent: Hello, How can I serve you? 
 customer: I want to fly with the direct flight from Washington to attend an interview in Philadelphia, can you help me to book an economy class ticket? 
 agent: Sure, May I know the travel dates? 
 customer: I intend to start on Nov 28th and I will return within two days that is on Nov 30th. 
 agent: Please help me with your journey codes. 
 customer: My source and destination airport code are IAD and PHL. 
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 customer: Sure. 
 agent: Sorry, No flights found with your chosen dates. 
 customer: No issues, I'll choose any alternative to reach my destination. Thank you. 
 agent: Thank you for opting us.
agent: Please wait a minute.