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
--------
Question: customer: Hi. I ma Margaret Thompson. 
 agent: Hello, How can I assist you? 
 customer: I would like to book a ticket from MSP, can you help me with booking to SFO? 
 agent: Sure, Please help me with your travel dates. 
 customer: My travelling dates are from 05/14 to 05/16. 
 agent: Please give a minute. 
 customer: Ok. 
 agent: Sorry, No flights found with your preferable dates. Thank you, Have a great day. 
 customer: Thank you.

Answer: no_flight


Question: customer: Hi. 
 agent: Hello. How can I help you? 
 customer: I made a reservation earlier to visit Phoenix in direct flight but now I want to travel in connecting flight. can you help me in changing my reservation? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: May I know your name? 
 customer: I am Sandra Carter. 
 agent: Please, wait for a moment. 
 customer: Ok. 
 agent: Thank you for waiting, there is no reservation found on your name to proceed for modification. 
 customer: No issue. Thank you. 
 agent: Thank you for approaching us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello, how can I aid you? 
 customer: Can you please reserve me a flight ticket from DFW to ATL? 
 agent: Please provide your trip dates. 
 customer: My trip dates are July 30 and Aug 01. 
 agent: Do you need any connection limit? 
 customer: I need a break in between my journey. 
 agent: Do you need any other specifications? 
 customer: My return time is afternoon. 
 agent: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 300 and flight departs at 18:00 hours and arrives at 12:00 hours, shall I book your ticket in this flight? 
 customer: Please proceed. 
 agent: Your ticket is confirmed in flight 1007. 
 customer: Thank you. 
 agent: May I know your name? 
 customer: I am Scott Edwards. 
 agent: Thank you.

Answer:
book