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: Hi. 
 agent: Hello, how can I help you today? 
 customer: Could you please make a reservation with the name of Jacob Roberts to Oakland, OAK? 
 agent: Sure, may I know your planned travel dates? 
 customer: My planned travel dates are 06/27 - 06/29. 
 agent: Please share me your source point. 
 customer: My source is from Houston, IAH. 
 agent: May I know your good name? 
 customer: I already mentioned above, please check it. 
 agent: We are glad to say that, we found an airline: Frontier, flight number: 1002 and price is 100. 
 customer: Ok, proceed with the booking. 
 agent: Your flight ticket has been reserved. 
 customer: Thank you for assisting me. 
 agent: Thank you for reaching us.
A:
book