Dear :

Thank you for your letter of [date] in which you offered me the position of .

I'm sure the job would be challenging and enjoyable, and I also find the salary and benefits quite attractive. Before I make a final decision, I would like to have more details about the possibility of working abroad. In particular, I hope to know the amount of time I would be required to stay away from .

Could I come to your office some time next week? I will call you on to make an appointment. I look forward to seeing you again.

Sincerely yours,

[name]

[title]