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.
Input: customer: Hi. 
 agent: Hello. How may I aid you? 
 customer: I am Samantha Harris, can you help me to book a flight from SEA for a round trip? 
 agent: Sure, let me know your travelling dates? 
 customer: I am planning to travel on Nov 10 and 12. 
 agent: Do you need any specifications? 
 customer: Please search for a connecting flight. 
 __ 
 customer: No. 
 agent: Please hold on a moment. 
 customer: Sure, please make it fast. 
 agent: We found a Jet Blue airline with the ticket fare of 100 and a halt in between the journey. Shall I proceed? 
 customer: Proceed with my booking. 
 agent: Your ticket has been confirmed by flight number 1015 and an economy class. 
 customer: Thank you. 
 agent: Thanks for choosing us.
Output:
agent: Ok, Is there any class preference?