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 Deborah Clark. 
 agent: Hello, how can I help you today? 
 customer: I would like to travel from LGA to attend my business meeting. Could you please help me to book a ticket to SEA? 
 agent: Sure, please share your planned trip dates? 
 customer: My travelling dates will be on 07/12 to 07/14. 
 agent: Ok, any other requirements to be met? 
 customer: I need a connecting flight. 
 agent: Ok, please wait for a while. 
 customer: Ok. 
 agent: Thanks for waiting, we found a direct flight, shall I proceed? 
 customer: No, do not proceed. Thank you for your information. 
 agent: Ok, no issues. Thank you for reaching us.

A: no_flight
****
Q: customer: Hi, Patrick Smith here. 
 agent: Hello. How can I help you? 
 customer: We friends were planning to go for Nutshell Bike Tour to Austin, TX-AUS on 08/16. Can you hold me a ticket with single connecting flight? 
 agent: Sure, may I know source code and return journey date please? 
 customer: Sure, I will be back on 08/18 at Orlando, FL-MCO. 
 agent: There is a flight with single connection, can I proceed for booking in 1004 flight? 
 customer: Ok, please proceed. 
 agent: Your booking is done in UA airlines, have a safe journey. 
 customer: Thank you. 
 agent: Thank you for choosing us.

A: book
****
Q: customer: Hello. 
 agent: Hello. How can I aid you? 
 customer: I am planning to change an exiting reservation, due to health issue.Can you please change my reservation? 
 agent: Sure. May I know your name? 
 customer: My name is Patricia Brown. 
 agent: Please wait a while. 
 customer: Sure. 
 agent: Thanks for being waiting, We didn't found any reservation by this name. 
 customer: That's fine, thank you for your help. 
 agent: Thank you for opting us.

A:
no_reservation
****