Introduce myself to the office
A：I would like to take this opportunity to welcome Monica to our company and introduce her to her department and colleagues. For all of you, we hired Monica because she is a very professional accountant and we are very happy to have her in the finance department. She has lots of working experiences as an accountant and I am sure everybody in the department can benefit from this.
B：Hello, everybody. I am Monica and this is my first day at work. I am working in the finance department. I am very happy to meet everyone and I am looking forward to working well with all of you. I am very happy to be one of the team and I will do my best to get into the working situation as soon as possible. By the way, call me Monica. Everybody calls me so.
1.A：I would like to take this opportunity to welcome Monica to our company and introduce her to her department and colleagues.
colleague n. 同事
如：It was more in sorrow than in anger that he criticized his former colleague.
I headed him off quarreling with his colleague.
department n. 部门，系，局，处，科
如：He worked in community welfare department.
2.I am very happy to be one of the team and I will do my best to get into the working situation as soon as possible.
do my best 竭尽所能，尽力
如：I'll do my best, Sir.
I can't promise, but I'll do my best.