customer: Hello, I am Catherine Allen. 
 agent: Hello, how may I serve you today? 
 customer: I want to visit the Denver Zoo with my children, Can you book a ticket with price 500? 
 agent: Sure, could you please share your preference connections? 
 customer: I need a connection. 
 agent: Ok, please mention your scheduled dates? 
 customer: My scheduled dates are 10/16 and 10/18. 
 agent: Ok, please specify your airport codes? 
 customer: My source is Houston, TX - IAH. My destination code is CO - DEN. 
 agent: Ok, please hold a moment, let me check the flight availability and get back to you. 
 __ 
 agent: Thanks for holding on, we are pleased to inform you that we have found a Hawaiian airline, flight number-1013 connections-1 and price limit is 100. Shall I proceed to booking? 
 customer: Sure, you can proceed for booking. 
 agent: Sure, your reservation is done successfully. 
 customer: Thanks for booking. 
 agent: Thanks for approaching us, have a safe journey.
customer: Sure.