L1, L2 Visa

i've no idea about why VO rejected my visa, it's all pure luck.Please find my conversation below, it might help others
VO: Hello sir, good morning, how are you doing?
Me: Good morning M’am, Tx.. How are doing?
VO: Tx, How many years are you working in YYYY Company?
Me: 4 years
VO: what is your specialization?
Me: Client proprietary YYYY system, YYY.
VO: What is ZZZ?
Me: Explained her about ZZZ
VO: Who is your Client?
Me: ZZZZ
VO: Can you please spell it please?
Me: i spelled as Z Z Z
VO: TX, How long are you working for your client?
Me: since joining YYYY Company I’m working for this client
VO: Ok  , What will you do in US?
Me: Explained her about new implementations and migrations.
VO: Where are you going in US?
Me: New Jersey
VO: Will you be working for the same client in the US or will u be working for other client as well?
Me: I will be working for YYYY Client in US
VO: she was silent and thinking for more than 1 minute and checked something in the computer and she said... I’m very sorry sir I cannot approve your Blanket visa due to some of our rules, please ask your HR to come through other VISAs. Thank you
Me: Thanks M’am