customer: Hello. 
 agent: Hello, how can I help you? 
 customer: Can you help me in booking my flight ticket from HOU to DFW? 
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 customer: My trip dates will be Mar 14th to Mar 16th. 
 agent: Ok, Do you have any class preference? 
 customer: I am ok, with any class. 
 agent: Ok, please let me know your connection limit. 
 customer: I need a connecting flight. 
 agent: Ok, Is there any other preferences? 
 customer: No. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Thank you for waiting, There were no flights found with your given details. 
 customer: Its ok, thank you. 
 agent: May I know your name for documentation purpose? 
 customer: I am Scott Allen. 
 agent: Thank you for availing us.
agent: Sure, please provide your travelling dates.