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 Ashley Campbell. 
 agent: Hello, how can I guide you for today? 
 customer: Can you help me in booking from SFO to MCO, as there is a family function? 
 agent: Can you please share on what dates you are willing to travel? 
 customer: My journey dates are 11/27 to 11/29. 
 agent: Please give me a minute, I will check the availability of flights on this route. 
 customer: Sure. 
 agent: Sorry, there are no flights available on your requested dates. 
 customer: No issue, thank you. 
 agent: Thank you for contacting us, have a nice day.
A:
no_flight