instruction:
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. 
 agent: Hello. How can I help you at this moment? 
 customer: I want to change my existing reservation which is done recently due to some health issues, can you please help me? 
 agent: Sure, I will aid you in changing your reservation. 
 customer: Thank you for considering my request. 
 agent: May I know your name please. 
 customer: Sure, my name is Joshua Green. 
 agent: Sorry to say this, no reservation found on your name in our database. 
 customer: Ok, no problem. Thank you for your service. 
 agent: Thank you for reaching us.
answer:
no_reservation


question:
customer: Hello. 
 agent: Hello, how may I aid you? 
 customer: I am Kenneth Perez. I would like to book a ticket from DCA to SEA, can you please help me out? 
 agent: I am glad to help you about that. Can you please provide your planned dates of journey? 
 customer: I am travelling on these dates 12/08 and 12/10. 
 agent: Hold on for sometime. 
 customer: Make sure my connection limit is 0. 
 agent: Sorry Perez, there is no flights on your planned dates of journey. 
 customer: Ok no problem, thank you for your services. 
 agent: Most welcome, thank you for reaching out here.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: I am planning to book a ticket to attend a meeting at IAH. Can you please help me out to book  a ticket from SEA? 
 agent: I am here to help you, please provide your travel dates. 
 customer: I would like to travel on Oct 14 and return back on Oct 16. 
 agent: May I know your connection limit? 
 customer: I am looking for a connecting flight. 
 agent: Is there any other requirements? 
 customer: No. 
 agent: May I know your good name? 
 customer: My name is Rebecca Jones. 
 agent: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport. 
 customer: That's fine, thank you for your service. 
 agent: Thanks for reaching us.
answer:
no_flight