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: Hello. 
 agent: Hello. How can I aid you today? 
 customer: I need to book a connecting flight with the normal-cost airlines. Can you help me with that? 
 agent: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates? 
 customer: Thank you for considering my request. My travelling dates are June 27 and June 29. 
 agent: May I know your name please? 
 customer: My name is Deborah Adams. 
 agent: Is there any airline preference? 
 customer: I have mentioned you already. 
 agent: May I know your preferable airport codes, please? 
 customer: Sure, my airport codes are HOU and PHL. 
 agent: Do you have any other specifications? 
 customer: No. 
 agent: Please wait for a whils. 
 customer: Sure. 
 agent: There are no flights on this route as per your details. 
 customer: Not a problem, anyways thank you for the information. 
 agent: Thank you for reaching us, have a great day.

Answer: no_flight


Question: customer: Hi, I am Linda Carter. 
 agent: Hello, how may I assist you? 
 customer: As I am a new joiner, I need to attend two days training session in my branch office at Denver, DEN. Can you help me to book a halting flight? 
 agent: Sure, when would you like to travel? 
 customer: I want to fly on 12/12 and recur on 12/14. 
 agent: Help me with the source code? 
 customer: I want to board from Chicago, IL - ORD. 
 agent: THank you for your details, we found a flight in an airline Spirit of number 1010 with a price of 100. 
 customer: Please confirm the booking. 
 agent: Your flight ticket is booked. 
 customer: Thanks for your assistance. 
 agent: Thank you for reaching us.

Answer: book


Question: customer: Hello. 
 agent: Hello, how can I aid you today? 
 customer: Can you please help me to find a flight on the route from DCA to OAK for my business trip? 
 agent: Sure, when are you planning to start and return on? 
 customer: My journey dates are from November 13th to November 15th. 
 agent: Do you need any other specifications? 
 customer: I was looking for a flight with economy class. 
 agent: Can I know your good name? 
 customer: My name is Michelle Campbell. 
 agent: Do you prefer a connecting flight? 
 customer: Yes, my maximum connection limit is 1. 
 agent: Thank you for your details, there are no flights found with the given details. 
 customer: Oh! That's fine, thank you for checking. 
 agent: Thank you. 
 customer: You are most welcome.

Answer:
no_flight