customer: Hi. 
 agent: Hello,. 
 customer: I am Ashley Lee. 
 agent:  May I know, How can I provide assistance to you? 
 __ 
 agent: Sure, I can help you in that. For that, I need your travelling airport codes. Can you provide them? 
 customer: BOS and DTW are my airport codes. 
 agent: Ok, I need your specified dates that you wish to travel and return? 
 customer: 12/23 and 12/25 are my travelling dates. 
 agent: We have Spirit airline of flight number 1005, with fare 100 available for your journey. 
 customer: You can reserve it. 
 agent: Your ticket has been confirmed with this connecting flight. 
 customer: Thank you. 
 agent: Thanks for choosing us, have a safe journey!.
customer: I want to book a  flight ticket within 200. Can you help me?