TASK DEFINITION: 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
PROBLEM: customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I am Joshua Martinez. I want to book a flight from PHX to reach MSP to meet my high school friends. Can you book a connecting flight for me? 
 agent: Sure, may I know your journey dates? 
 customer: I have planned to travel on July 2nd and return on July 4th. 
 agent: Do you need a economy class? 
 customer: No. 
 agent: Can I know your requirements? 
 customer: I would like to depart at evening time. 
 agent: Ok, wait a minute. 
 customer: Ok. 
 agent: Sorry, there are no flights available. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing us.

SOLUTION: no_flight

PROBLEM: customer: Hello, I am Paul Gonzalez. 
 agent: Hello, in what way I can be at your service? 
 customer: I want to meet my old collage friends at Boston, can you please book me a ticket? 
 agent: Sure, can I have your airport codes? 
 customer: My airport codes are from IAH to BOS. 
 agent: Ok, when are you planning to travel? 
 customer: I would like to leave between 07/14 and 07/16. 
 agent: Do you have any other preferences? 
 customer: I need a connecting flight. 
 agent: Sorry to inform you Paul Gonzalez, no airline is providing service on your route. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing our service.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: Please help me to book a flight ticket from PHL to EWR? 
 agent: Sure, can you please share your travel dates? 
 customer: My travelling dates are Sept 12 to Sept 14. 
 agent: May I know your connection limit? 
 customer: I need a single connection of flight. 
 agent: Do you have any other specification that you are looking for? 
 customer: I want to depart in the afternoon. 
 agent: May I know your name to proceed further? 
 customer: Helen Evans here. 
 agent: I am sorry to inform you that there is no flight available at your request. 
 customer: No problem, thank you. 
 agent: Thank you for contacting us.

SOLUTION:
no_flight