I’d like to go to Xian from Beijing by China air CA1231 from T3 capital Airport at 07.30 morning

Hi.. sir/madam, Pls do a favour to us. Will land at T2 in Xian Airport.

1 Pls give us guidance start from arrive at terminal 3 .We should go in what number of gate? Etc
I will leaving from Novotel hotel, Xiniao
Hotel Novotel Xin Qiao. 1 Chong Wen Men Xi Da Jie.
What time I should leave the hotel?

2 I will arrive at the capital airport Terminal 3 from Xian by China air and should go to Terminal 2 to
board to international boarding (Kuala Lumpur by Air Asia)
How could I get Terminal 2 for international boarding?
Pls give us the step guidance?

Thanks so much for your info in advance