customer: Hello. 
 agent: Hello. 
 customer: I am Edward Turner. 
 agent: How can I help you? 
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 agent: Sure, I will help you to book a flight ticket. 
 customer: Thank you. 
 agent: Please share me your travelling dates. 
 customer: My planned dates of journey are from 05/09 to 05/11. 
 agent: Please give me a moment. 
 customer: Sure, I will wait for your response. 
 agent: Sorry to say that, no flights are available on your route. 
 customer: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information. 
 agent: Welcome, have a nice day.
customer: I am planning to visit Detroit, can you please book me the flight ticket from DCA to DTW?