Teacher: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.
Teacher: Now, understand the problem? Solve this instance: customer: Hello. I am Emily Edwards. 
 agent: Hello, how may I assist you today? 
 customer: In New York there is a work shop about the brief description about Hacking, so I need to attend the workshop to gain More knowledge. Could you please help me in booking a ticket to LAS? 
 agent: Sure, may I know your preferred travelling dates? 
 customer: My travelling dates are 04/19 and return on 04/21. 
 agent: Ok, do you need any other requirements? 
 customer: I need a halt in between the journey. 
 agent: May I know your source airport code? 
 customer: My source code is OAK. 
 agent: There is a Southwest airline with fare of 200 matches your travelling schedule. Shall I proceed with booking? 
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 agent: Your ticket has been confirmed with flight number 1027. 
 customer: Thank you. 
 agent: Thank you for reaching us.
Student:
customer: You can proceed with booking.