Q: 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
customer: Hello. My name is Patricia Martin.
agent: Hello Patricia, I'm Travel Chat Bot! I can help you find your booking details, cancel or amendment.
customer: I had planned to go on a vacation, but it was cancelled.Can you cancel my recent reservation?
agent: Sure. I can definitely help you. I found your previous ticket. I cancelled your flight ticket and the airline is not charging you their normal fee.
customer: Thank you for the help.
agent: Welcome.
A:
cancel