customer: Hi. 
 agent: Hello. How can I assist you today? 
 customer: I am Mary Allen here, I want to reserve my ticket from LAS to AUS, can you please help me out? 
 agent: May I know your travelling dates? 
 customer: Sure, my planned dates of journey are from Aug, 12 to Aug, 14. 
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 customer: Yes, I need a depart time which is at morning. 
 agent: Do you need any connection limit? 
 customer: Yes, I need a direct flight. 
 agent: In which class are you comfortable with? 
 customer: I am flexible with any class. 
 agent: Please wait a while. 
 customer: Sure, I will wait. 
 agent: There are no flights available with your required details. 
 customer: Ok, no problem. Thank you for your service. 
 agent: Thank you for choosing us.
agent: Please share me your departure and arrival time.