Teacher: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
Teacher: Now, understand the problem? Solve this instance: customer: Hello,. 
 agent: Hello, how can I serve you today? 
 customer: I am a sports player and I have a tournament at New York, please book me a connecting flight. 
 agent: Sure, please provide your journey dates? 
 customer: My depart date is on 05/29 and return date is on 05/31. 
 agent: Kindly mention your journey points? 
 customer: My origin airport is MI- DTW and Dest airport is NY- EWR. 
 agent: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you. 
 customer: Ok. 
 agent: We are sorry to inform you that, we did not find any flights matching your given outlines. 
 customer: No problem, thank you for the information. 
 agent: Thank you for reaching us. Have a nice day. Please mention your name for documentation purpose? 
 customer: I am Timothy Mitchell. 
 agent: Thank you.
Student:
no_flight