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.

customer: Hello. 
 agent: Hello. How may I help you now? 
 customer: I am Nancy Mitchell. 
 agent: Welcome to flight booking agency Nancy. 
 customer: I am planning to book a ticket from LAX to DEN. Can you please help me out? 
 agent: Sure, I will help you with that. Can you please provide your planned dates of travelling? 
 customer: I am planning to travel on 09/20 and return back on 09/22. 
 agent: Please wait a moment to check the flights on your route. 
 __ 
 agent: Based on your travel details, I have found a flight with a single connection with a fare of 200 from Spirit airlines. If you are ok with this, please inform me to book the flight. 
 customer: That's fine, please proceed the booking. 
 agent: Ok, your ticket has been confirmed in flight number 1003. 
 customer: Thank you for your service. 
 agent: Thank you for reaching us, have a great journey.
customer: Sure.