customer: Hello. 
 agent: Hello, how may I help you? 
 customer: My name is Stephanie Carter. 
 agent: Nice to meet you Stephanie Carter. 
 customer: I want to book a ticket from IAH to SEA, could you please help me? 
 agent: Sure, may I know your travelling dates? 
 customer: My required dates are 05/19 and 05/21. 
 agent: I am sorry there is no flight available with us. 
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 agent: Thank you for approaching us.
customer: It's ok. Thank you for the help.