可以在信件里不用写那么详细说要去看望女儿，但若是要面试问起的话可以说。以下为模版：
Date:
To: Embassy of the United States
Dear Visa Officer:
This is to certify that Ms/Mr. XXX works in our company as XXXXXX since the year of XXXX. His/Her monthly salary is RMB XXXX. He/She will have a tour to the United States of America from XXXX to XXX.
His/Her information is listed as follows:
Name:
Sex:
Date of Birth:
Passport No. ：
All the trvelling expenses, including air tickets, transportation, accommodation and health insurance, will be covered by himself/herself.
We hereby guarantee that he/she will abide by all the laws and regulations during his staying abroad. We also guarantee that he/she will be back to China on schedule and will continue to work for our company.
Yours sincerely.
Company Name:
Add. :
Tel. :
Name of the witness:
Signature:
参考来源：2017年美国签证在职证明中英文模板
美国驻北京领事馆签证处：
__________先生/女士在我公司_________部门任________职务，自_______年起就在我公司任职，至今已有_____年。__________先生/女士/的月薪为RMB__________ /月。
现______先生/女士决定_______年______月前往________旅游，他/她将在_________停留___天。在________先生/女士旅行期间一切费用包括全程机票，住宿，一日三餐，健康保险等由其自行承担。我公司特此保证他/她将按时回国。
申请人单位：
领导签字：
公司公章：
联系电话：
日期时间：
英文在职证明:
To: Visa Section of U.S. Consulate General in Beijing
__________ is the _________ of the ________ Department in our Company since __________, and her/his monthly income is RMB_________.
We have approved her/his annual leave from_____________to_____________for her/his holiday to___________. All the expenses during the travel will be borne by herself/himself. We hereby guarantee ________ will obey the laws in outbound and we shall retain her/his position till the end of the holiday.
Company：
Signature：
Telephone：
Date：