How much is the voucher worth ?
neutral
user
It is worth 100 yuan and your bill comes to 230 yuan . The difference is 130 , please .
neutral
assistant
Here it is .
neutral
user
Thank you , sir . Could you sign the voucher here , please ?
happiness
assistant
OK . Here you are .
neutral
user
Thank you , sir . Hope to see you again soon .
happiness
assistant