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

customer: Hello. 
 agent: Hello, how can I assist you? 
 customer: I would like to change my reservation due bad weather condition at my destination location, can you please help me out with that? 
 agent: Sure, may I know your name? 
 customer: Myself Larry Lewis. 
 agent: Please give me a moment to check your ticket status. 
 customer: Sure, I will wait for your response. 
 agent: I found your reservation, could you provide your itinerary dates? 
 customer: Sure, my travel dates are from July 19 to July 21. 
 agent: May I know your genesis and terminus airport codes? 
 customer: My airport codes are PHL and PHX. 
 agent: Do you have any specifications? 
 customer: I would prefer connecting flight for my trip. 
 agent: Let me know if you have any preferences. 
 customer: I don't have any other specifications. 
 agent: Spirit airlines with flight 1027 is providing a connecting flight and ticket costs you 100 in economy class. 
 customer: Ok, please confirm my ticket. 
 agent: Your ticket is confirmed Larry Lewis. Flight departs at 14:00 hours and arrives at 23:00 hours. 
 customer: Thank you for booking. 
 agent: Thank you for choosing us.
book

customer: Hi, Donald Scott here. 
 agent: Hello, how can I assist you at this moment? 
 customer: Can you please reserve me a flight ticket from LAX to AUS? 
 agent: Sure, I will help you with this. Can you please provide your journey dates? 
 customer: My travel dates are 06/03 - 06/05. 
 agent: Do you need any halt in this journey? 
 customer: Yes, I need a single connection. 
 agent: Do you have any other specification for this trip? 
 customer: No. 
 agent: Donald Scott, there are no flight services available on this route on your provided dates. 
 customer: No issues, thank you for your information. 
 agent: Thank you for utilising our service.
no_flight

customer: Hi. 
 agent: Hello. How may I help you? 
 customer: I am Anthony Rodriguez. I am planning to travel from CLT to IAH, can you help in booking a flight? 
 agent: Sure, can you help me with your travelling dates to search a flight? 
 customer: My date of travelling is on 11/12 to 11/14. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Sorry, there is no flight is available for you. 
 customer: That's ok. 
 agent: Thank you for choosing us, have a nice day. 
 customer: Thank you for your help.
no_flight