customer: Hello. 
 agent: Hello,. 
 customer: I am Rebecca Perez. 
 agent: How can I aid you the best today? 
 customer: I need to book a flight ticket on 12/20 to meet my parents. 
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 customer: Could you please help me with booking  flight ticket? 
 agent: Sure, I will help you with that. When will be your return date? 
 customer: I intend to return on 12/22. 
 agent: Kindly assign your travelling airport codes? 
 customer: Sure, PA-PHL and MI-DTW are my airport codes. 
 agent: Is there any restrictions on the ticket fare? 
 customer: I can pay up to 5000. 
 agent: Ok, please wait. Let me search you the flight. Thank you for your time, we have found a Delta airline, flight number-1024 connections-1 and ticket fare is 100. 
 customer: You can proceed with booking. 
 agent: Your ticket has been confirmed. 
 customer: Thank you for your service. 
 agent: Thanks for your presence.
agent: Ok.