customer: Hi,. 
 agent: Hello, how may I serve you today? 
 customer: I am Debra Davis. As I am planning to visit Niagara falls with my family in New York. Can you book my flight ticket with a single connecting flight? 
 agent: Sure, May I know your travelling dates? 
 customer: Sure, Scheduled of my travel are 12/20 to 12/22. 
 agent: Let me know your airport codes. 
 customer: My destination code: LGA. My boarding point is DFW. 
 agent: Thank you. Please wait, I will check the availability. 
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 agent: We found Frontier airline with number 1002 and price 100 with one connection matches your data. Shall I proceed for booking? 
 customer: Proceed with booking. 
 agent: Ok, Your booking has been done,. Thank you for availing us. 
 customer: Thank you for your quality service.
customer: Sure.