customer: Hello. 
 agent: Hello, how may I assist you today? 
 customer: I would like to book a flight ticket from PHL to ATL to meet my sister. Could you please help me with booking a connecting flight? 
 agent: Sure, may I know your name? 
 customer: I am Mark Rodriguez. 
 agent: Can I know your travelling dates? 
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 agent: Which class do you prefer to travel? 
 customer: I am comfortable with any class. 
 agent: Do you have any other specifications? 
 customer: I would like to depart in the evening. 
 agent: Ok, wait a minute. 
 customer: Sure. 
 agent: Sorry, there are  no flights available on your travelling dates. 
 customer: No worries, thank you for the information. 
 agent: Thank you for reaching us.
customer: My travelling dates are Aug 28 and Aug 30.