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: Hello. Brenda Williams here.
agent: Hello, How can I respond to your request?
customer: I want to meet my grand parents who are staying in ORD. Can you please help me to book a flight from SFO?
agent: Sure, we are ecstatic to help you.
customer: Thank you.
agent: When are you planning to make your journey?
customer: I want to start my journey on June 13 and need to end it on June 15.
agent: Ok, which type of class do you prefer for your journey?
customer: I am comfortable with any class.
agent: May I know if you want any specific time for your departure and return?
customer: Sure, my depart time should be on afternoon.
agent: Do you prefer any lay by in between journey?
customer: Yes, I need a lay by in between journey.
agent: Thank you for your details, we have found a JetBlue airline, flight number-1013, connections-0 and ticket-100. Would you like me to proceed next?
customer: Ok, please proceed.
agent: Your ticket has been reserved under your name on respective dates of your travel.
customer: Thank you.
agent: Thank you for your presence. We hope to serve you again.
A:
book