customer: Hi. 
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 customer: Dorothy Lopez here. I would like to book a ticket from DEN to HOU, can you please help me with that? 
 agent: Sure, may I know when are you planning to make your trip? 
 customer: The travel dates are from 01/27 to 01/29. 
 agent: Ok, please give me a moment. 
 customer: I want a direct flight. 
 agent: We are unable to provide any direct flights on your route at this moment. 
 customer: That's ok, thank you for your help. 
 agent: Thank you for reaching us.
agent: Hello, how may I serve you?