customer: Hi. Kathleen Hall here. 
 agent: Hello, how may I aid you? 
 customer: Reserve a flight ticket for me that is from PHL to DTW. I need a connecting flight. 
 agent: Sure, could you please mention your journey airport codes? 
 customer: My travelling dates for journey are 07/17 to 07/19. 
 agent: Ok, please wait a while. 
 customer: Sure. 
 agent: Thank you for waiting. There are no flights found according to your requirements. 
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 agent: Thank you for availing us.
customer: Ok, not a problem. Thank you.