customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I am Gregory King. I want to travel from TX-IAH to CA-LAX, can you please book a flight ticket? 
 agent: Sure, could you help me with the travelling dates? 
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 agent: OK. Give me a moment. 
 customer: OK. 
 agent: Sorry for the inconvenience as there is no flight found matching your requirement. 
 customer: Thank you for your immediate response.
customer: My departure day is 01/27 and return day is 01/29.