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: Hello. 
 agent: Hello. How can I aid you today? 
 customer: I need you to book a flight ticket from LGA to OAK. Please help me. 
 agent: Sure. Can you please mention your preferable travel dates? 
 customer: December 14 and 16 are my planned travelling dates. 
 agent: May I know your name for further process? 
 customer: My name is Donna Taylor. 
 agent: Do you have any preferences regarding timings of your journey? 
 customer: I just need a connecting flight. 
 agent: Ok, please hold on a moment. 
 customer: Sure, I will wait. 
 agent: Hawaiian airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight? 
 customer: Yes, please. 
 __ 
 customer: Thank you very much. 
 agent: You are welcome.
Output:
agent: Your flight ticket is booked successfully, flight number is 1004.