customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: Patrick Thompson here. I want to attend my convocation ceremony, so please book my ticket from LAX to SEA. 
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 customer: My itinerary dates are Nov 29 and Dec 1. 
 agent: Do you have any class preference? 
 customer: No, I want to depart in the afternoon. I need a connecting flight. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Sorry, no flights are found on your travel dates. 
 customer: No problem, thank you. 
 agent: Thank you for reaching us.
agent: Sure, can you share me your trip dates?