In this task, you are given a conversation between a flight agent and the customer. You are given 4 options and you need to select the goal of the conversation. It is provided as part of customer's context, which has to be one of the following: `book`: Make a new reservation, `cancel`: Cancel an existing reservation, `no_flight`: No flight found for the customer's preference, `no_reservation`: No reservation / No change / No cancellation was made in the conversation, mostly enquiring details
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Question: customer: Hi. 
 agent: Hello, how can I help you today? 
 customer:  I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation? 
 agent: Sure, I am here to help you with that, can I know your good name to proceed further? 
 customer: Ronald Nelson here. 
 agent: Thank you. Please be online for a while. I will check your reservation status and get back to you. 
 customer: Ok. 
 agent: I am sorry to say you that there is no reservation found under your name in our database. 
 customer: That's ok, thank you for your help. 
 agent: Thank you for reaching us.

Answer: no_reservation


Question: customer: Hi. 
 agent: Hello, how can I help you? 
 customer: Myself Laura Perez. My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to Washington. Can you please book me a flight ticket on 07/31 along with a return ticket on 08/02? 
 agent: Sure, we are here to help you. Can you share me your journey locations? 
 customer: Thank you. Sure, I will start from LAX and land at IAD. 
 agent: Ok, wait for some time. 
 customer: Ok. 
 agent: We found UA airline with connecting flight and number 1003 fare of 100. Shall I proceed for booking? 
 customer: That's perfect, please proceed. 
 agent: Your ticket has been confirmed. 
 customer: Thank you for your assistance. 
 agent: Thanks for choosing us.

Answer: book


Question: customer: Hello. 
 agent: Hello. How may I help you out? 
 customer: Myself Amanda Wilson, can you help me to book a flight ticket IAD to IAH? 
 agent: Sure, I will help you in booking the ticket. May I know your travelling dates please? 
 customer: Ok, please book for the dates 11/23 and 11/25. 
 agent: There is a flight with connection 1 and price 100, can I proceed? 
 customer: Ok, please proceed. 
 agent: Ok, your ticket has been booked with flight number 1014. 
 customer: Thank you for assisting me. 
 agent: Thank you for choosing us.

Answer:
book