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

[EX Q]: customer: Hi. 
 agent: Hello. 
 customer: I am Mary Brown. 
 agent: How may I assist you? 
 customer: I would like to visit Oakland California temple on Aug 17. Can you help me in booking a flight ticket? 
 agent: Sure, I will help you. May I know your source airport code please? 
 customer: My take off airport code is IAH. 
 agent: Do you have any plans on your return journey? 
 customer: Yes, I intend to return on Aug 19. 
 agent: Do you have any specifications? 
 customer: There should be a lay by in between my journey. 
 agent: Mary Brown, no flights has been found on your planned travel dates. 
 customer: Ok, I will check with another agency. Thank you for the information. 
 agent: Thank you for choosing us.
[EX A]: no_flight

[EX Q]: customer: Hi. I am Anna Lewis. 
 agent: Hello, how can I assist you? 
 customer: I want to book a flight ticket to participate in a cultural fest at IL-ORD on 09/07. Can you help me? 
 agent: Sure, please provide your return journey date. 
 customer: 09/09 will be my return. 
 agent: Please share your origin airport code. 
 customer: NV-LAS will be my origin. 
 agent: Please share your specifications. 
 customer: I need a connecting flight. 
 agent: Unfortunately, there is no flights based on your details. 
 customer: No issue. Thank you. 
 agent: Thank you for choosing us.
[EX A]: no_flight

[EX Q]: customer: Hello. I want to cancel my recent reservation due to postpone of my exams. 
 agent: Hello, how may I serve you now? 
 customer: Can you help me with that? 
 agent: Sure, I will help you with cancellation. 
 customer: Thank you. 
 agent: May I know the name on which the reservation is made? 
 customer: I am Catherine Parker. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Thank you for waiting, sorry there is no reservation found on your name in our system data. 
 customer: That's ok. Thank you for your service. 
 agent: Thank you for reaching us.
[EX A]:
no_reservation