customer: Hi, I am Alexander Anderson. 
 agent: Hello, How exactly can I serve you now? 
 customer: I am excited to go Haunted Pub tour at Washington,DC - DCA. Can you help me with booking a connecting flight? 
 agent: Ok, please share your travelling dates? 
 customer: I will fly on 03/20 and 03/22. 
 agent: May I know your source code? 
 customer: I want to board from Detroit, MI - DTW. 
 agent: Ok, please wait. 
 customer: Sure. 
 agent: We found a 1007 Delta airline, with fare 100 for your journey. 
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 agent: Your booking is done. 
 customer: Thanks for your assistance. 
 agent: Thanks for approaching us.
customer: Please proceed.