March 12, 2017

　　To whom it may concern,

　　My name is XXX.

　　I am currently a second year graduate student in school of XXXX at Columbia University, in F-1 status. I would like to invite my father Mr. XXX and my mother Mrs. XXX to come to visit me in the United States. They will arrive at the U.S. in May and stay for three weeks.

　　The purpose of their visit is to attend my graduation commencement on May 16th, 2012 at Columbia University in the New York City. After the commencement, we plan to take a short trip to Boston, Philadelphia, and the Grand Canyon. They will support their travel fees as well as any other expenses in this trip.

　　Host (Student)Information:

　　Name: XXX

　　Current Address: XXX

　　Passport Number: XXX

　　Valid until: XXX

　　Current Immigration Status: F-1 Date of Initial Entry to the U.S.: XXX

　　Relationship to guest: ChildVisitor Information:

　　Name: XXX

　　Date of Birth: XXXXXXPlace of Birth: XXX

　　Passport Number: XXXXXXXXX Valid Until: XXXX

　　Source of Funding During Stay in U.S.: Self

　　Current Address: XXXXX

　　Your help in issuing them entry cards would be greatly appreciated. Please do not hesitate to contact me via telephone XXXXXX or email to XXXXXX if you have any further questions.

　　Thank you for your consideration.

　　Sincerely yours,

　　XXXXXX