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

[Q]: customer: Hello, I am Jessica Mitchell. 
 agent: Hello, how may I assist you today? 
 customer: I am planning to conduct a free medical camp in New York, NY - JFK, so help me in booking a flight ticket from Denver, CO - DEN. 
 agent: Sure, when are you planning to travel? 
 customer: I would like to fly on 11/30, return on 12/02. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Thank you for your details, there are no flights available with the given details. 
 customer: No problem, thank you. 
 agent: Thank you.
[A]: no_flight


[Q]: customer: Hi,. 
 agent: Hello. 
 customer: My name is Elizabeth Wilson. 
 agent: How may I assist you? 
 customer: Can you please book a flight ticket with in the range of 200 from Seattle? 
 agent: Sure, may I know on which dates you would like to travel? 
 customer: Sure, 09/12 - 09/14 are my travelling dates. 
 agent: Help me with the airport codes? 
 customer: My source code is WA - SEA and destination code is Houston, TX - IAH. 
 agent: Sorry, we do not found any flights running in your given details. 
 customer: Ok, not a problem. Thank you. 
 agent: Thank you for reaching us.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello. 
 customer: I am Emma Johnson. 
 agent: How can I help you today? 
 customer: I am looking for a flight from DTW to MSP, can you please help me out? 
 agent: Sure, I am here to help you in booking process. Can I have your travel dates please? 
 customer: My travelling dates are Oct 10 and Oct 12. 
 agent: Do you have any specification? 
 customer: I need a connecting flight. 
 agent: Please wait a moment. 
 customer: Ok, take your time. 
 agent: Here, I found a direct flight for you and it costs you 100. Can I proceed? 
 customer: Please proceed. 
 agent: Your booking is done with flight 1013 in Hawaiian airlines. 
 customer: Thank you for booking. 
 agent: Thank you for reaching us, have a safe flight.
[A]:
book