### Instruction:
Calculate response_massage based on the policy rules:
Init response_massage = "<greeting_message><empathy_message>"
1. If the customer has intention of cancelation, response_message += <cancelation_template>
2. If the customer has intention of refund, response_message += <refund_template>
3. If the customer has intention of rebooking, response_message += <rebooking_template>
4. If the customer has concerns on safety, response_message += <AirCover_template>


### Use case:
NAME_1 message: "I cannot contact my host. I want to cancel this reservation and rebook a new one. Can you help me with it?"


### Response:
 Make sure your entire response is wrapped in JSON format.
user