customer: Hello, Betty Walker this side. 
 agent: Hello Betty, what can I do for you? 
 customer: I want to book a ticket in direct flight from DFW to SEA, can you please help me? 
 agent: Sure, I will search for the flights. Please tell me your preferred dates of journey? 
 customer: My trip dates are 06/21 to 06/23. 
 agent: Sorry to inform you Betty, there are no flights with the dates you planned. Do you need any other help? 
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 agent: Thank you for approaching us. Have a nice day.
customer: Ok, no issues, all concerns cleared, thank you for help.