customer: Hello. 
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 customer: As I am a scientist, I want to attend science festival with my students at Houston. Can you help me to book a flight ticket? 
 agent: Sure, please share me your travelling dates? 
 customer: Dates are 05/20 and 05/22. 
 agent: Can I know your airport codes? 
 customer: My airport codes are LAX-IAH. I need direct flight. 
 agent: Sorry there are no flights with your specifications. 
 customer: No problem, Thank you. 
 agent: Can I know your name? 
 customer: Ashley Harris here. 
 agent: Thank you for reaching us. 
 customer: Thank you.
agent: Hello, how can I help you?