customer: Hi. 
 agent: Hello. How can I serve you the best today at this moment? 
 customer: I need to modify my reservation as I am suffering for health issue. Can you help me with that? 
 agent: May I know your good name please? 
 customer: Thank you for considering my request. My name is Joseph Moore. 
 agent: Please give me a moment. 
 customer: Sure. 
 agent: We are happy to inform you that there is a reservation found with your given name. Can you please mention your airport codes? 
 customer: Good to hear, my airport codes are DCA and PHL. 
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 customer: I am willing to travel from Jan 28 to Jan 30. 
 agent: Please share me your specifications. 
 customer: I need a connected flight in an normal-cost airlines. 
 agent: We have found a flight with an American airlines of flight 1000 in an economy class with connection limit is 1. Would you like me to proceed? 
 customer: Yes, do proceed with the booking. 
 agent: Your ticket has been confirmed. 
 customer: Thank you. 
 agent: Thank you for choosing us.
agent: When you are willing to travel?