customer: Hi. 
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 customer: I am Deborah Campbell. Please help me in booking a flight ticket on 06/15 to go for death valley adventure. 
 agent: Sure, help me with your travel points? 
 customer: Source point is Detroit, DTW and destination is Washington, IAD. 
 agent: May I know your return date? 
 customer: I will return on 06/17. 
 agent: Ok, please wait. 
 customer: Sure. 
 agent:  sorry, no flights are working on your travel dates. 
 customer: Ok, no problem. Thank you. 
 agent:  Thank you for opting us.
agent: Hello. How can I assist you?