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.
One example: customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I would like to do some changes in  my existing reservation, can you please help me out? 
 agent: Sure, I will help you in booking. May I know your name to proceed further? 
 __ 
 agent: Alexander Hernandez, regret to inform that there is no active reservation found under your name to amend. 
 customer: That's ok, no problem. Thank you for the information. 
 agent: Thank you for reaching us.
Solution is here: customer: Sure, myself Alexander Hernandez.
Explanation: This is pretty forward, based on the answer after the blank, the answer would be to know the name of the person, and the name is mentioned in the next dialogue to the blank

Now, solve this: customer: Hello. 
 agent: Hello. How may I guide you today? 
 customer: I am Sharon Lewis. 
 agent: Welcome to flight booking agency Lewis. 
 customer: I need some help in flight ticket booking from Chicago to Austin. Can you please help me with that? 
 agent: Sure, I am gleeful to assist you with that. Can you please provide your planned dates of travelling? 
 customer: Sure, I have planned my travel dates as 05/23 and 05/25. 
 __ 
 customer: Sure, I would like to travel from ORD to AUS. 
 agent: Please wait a moment to check the flights availability. 
 customer: Sure, I will wait for your positive response. 
 agent: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by AA airlines. Shall I proceed with this? 
 customer: I am ok with this flight, you can proceed with booking. 
 agent: Ok, your ticket has been booked in flight number 1008. 
 customer: Thank you for your help. 
 agent: Thank you for reaching us, have a great journey.
Solution:
agent: Ok, may I know your origin and destination airport codes for booking?