customer: Hello. 
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 customer: Myself Nicholas Lee. I want to travel from HOU IAH locations, can you please help me in booking a flight ticket? 
 agent: I will help you with that, can you please share your journey dates? 
 customer: My travelling dates are from 08/15 and 08/17. 
 agent: I am sorry to say that there is no flight found. 
 customer: It's ok. Thank you for the information.
agent: Hello. How may I guide you today?