customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am Susan Smith, want to travel from AUS to DFW for business trip. Please help me in ticket booking. 
 agent: Sure, may I know your trip dates please? 
 customer: My trip dates are from 10/21 to 10/22. 
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 customer: Ok. Please check for direct flight. 
 agent: Sorry, there is no direct flight available which is travelling to your destination. 
 customer: That's fine, thank you. 
 agent: Most welcome.
agent: Please wait for a while.