candidate backed out

[sk125]

She is not willing to attend the interview call as she assumes that we are offering her the job based on contract.
so we need to clarify her about all the details.

[Anglika]

Welcome to the forums.

What exactly are you seeking? If you need help with the grammar of your sentence, then:

She is not willing to attend the interview call as she assumes that we are offering her the job. We need to clarify this matter with her.