Detailed Instructions: 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. I am Robert Turner.
agent: Hello Robert Turner, what can I do for you?
customer: We are planning for family tour to Oakland. Can you book a ticket from JFK to OAK?
agent: Sure, we are here to help you for booking. May I know your journey dates?
customer: My journey dates are from 01/05 to 01/07.
agent: Ok, please wait for a moment.
customer: Make sure that price limit should not exceed 5000 and connection limit must be 1.
agent: I will check the availability of flight and notify you.
customer: Ok.
agent: Thanks for being hold, we are happy to say that we found a 1021 Spirit airline that matches to your criterion.
customer: Book the ticket.
agent: The fare of this airline is 100 with one connection. Ok, the booking has been done.
customer: Thank you for your help.
agent: Thanks for reaching us. Have a nice day.
A:
book