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: Hi. 
 agent: Hello, how can I help you? 
 customer: I am Elizabeth Gonzalez. I am looking for a direct flight from IAH to DTW, please book my flight ticket. 
 agent: May I know your desired travel dates please? 
 customer: Sure, I want to depart on Dec 4th and I have to return back in the afternoon on Dec 6th. 
 agent: Please wait a while. 
 customer: Sure. 
 agent: There is a flight with connection limit 1 and fare 200, shall I proceed for booking? 
 customer: No, I prefer for a direct flight. 
 agent: Sorry to say, there is no flight available on your desired travel dates. 
 customer: Sad to hear that, thank you for checking. 
 agent: Thank you for opting us.
no_flight

customer: Hello. 
 agent: Hello. How can I help you? 
 customer: Being a scientist, I have to give a seminar at Austin, AUS. This is the reason for booking a ticket on 11/23. Will you help me? 
 agent: Sure, I am here to help you. 
 customer: Ok. 
 agent: Can I know your source code please? 
 customer: Book a ticket from Charlotte, CLT. 
 agent: Ok, may I know when you want to return? 
 customer: 11/25 is my return date. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, I need a halt. 
 agent: Wait a minute please. 
 customer: Sure. 
 agent: Thank you for waiting, we found a flight with number 1026 and airline AA at a price of 200 with 1 connection. Shall I proceed? 
 customer: Ok, book my ticket with this flight. 
 agent: Sure, your booking is done. 
 customer: Thank you for your service. 
 agent: May I know your name please? 
 customer: Reserve a ticket with the name of Gary Phillips. 
 agent: Thank you for reaching us, have  a nice day.
book

customer: Hi. I am Donald White. 
 agent: Hello, how may I help you today? 
 customer: I have an important meeting with my company CEO in branch head quarters located in Detroit. So, can you please book a direct flight for me? 
 agent: Sure, we are here to help you. 
 customer: Thank you. 
 agent: Could you please share your take off airport code? 
 customer: Sure, my take off airport code is Phoenix, AZ - PHX. 
 agent: May I know your planned travel dates? 
 customer: Sure, my planned travel dates are 01/14 and 01/16. 
 agent: Kindly mention Detroit airport code. 
 customer: Sure, it is MI - DTW. 
 agent: Ok, please wait for a minute. 
 customer: Sure. 
 agent: Thank you for waiting, there are no flights available from your source. 
 customer: Ok, no problem. I will try with other alternative. Thanks for your kind response. 
 agent: Thank you for opting us.
no_flight