Detailed Instructions: In this task, you're given a dialogue between a customer and a flight booking agent with a gap in the conversation. Your job is to find the answer of the previous dialogue. Avoid using irrelevant extra information while creating the answer. The answer should be relevant to the question before the blank. If you fill the blank with a question, it should have an answer from the agent in the given dialogue. Fill the gap marked with underline.
Q: customer: Hello. 
 agent: Hello, how can I assist you today? 
 customer: Charles Martin here, I would like to travel from BOS to LAS to meet my friend who was staying there, can you help me to make a flight reservation for this route? 
 agent: Sure, may I know your depart and return dates? 
 customer: Actually, I am planning to travel on Oct, 21st and return back to my city on oct, 23rd. 
 agent: Is there any class preference? 
 customer: No, I am comfortable with any class. 
 agent: Do you need halt in between your journey? 
 customer: Yes, I need a halt between journey. 
 agent: Ok, please wait for a moment. 
 customer: Sure, I will wait for your response. 
 agent: We found a Southwest airline, flight number: 1016, price: 100 with one connection. 
 __ 
 agent: Your flight ticket has been confirmed in economy class. 
 customer: Thanks for your help and information. 
 agent: Thank you, have a good day.
A:
customer: That's really nice, you can proceed with this flight.