customer: Hello. 
 agent: Hello, how may I be your helping hand today? 
 customer: I am Jerry Smith, I want to book a flight to Denver, CO-DEN to visit Denver Museum of Nature and Science. Can you help me to book a flight on 10/05? 
 agent: Sure, when you want to catch your return flight? 
 customer: I will return on 10/07. 
 agent: May I know your nearest airport code? 
 customer: My source airport is Houston, TX-IAH. 
 agent: Do you need any other essentials? 
 customer: I need a connecting flight. 
 agent: Let me examine the availability of flights, just a moment. 
 customer: My budget for flight ticket is 500. Sure. 
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 customer: Please proceed with booking. 
 agent: Ok, your ticket has been confirmed and the fare is 100. 
 customer: Thank you for booking my flight ticket. 
 agent: Thank you for availing us.
agent: Thank you for waiting, there is a Frontier airways with 1001 number that exactly fits to your details.