Are these sentences common use in daily conversations? Can you help me make them more natural? 1.I would like to open a checking account and a savings account. 2.Can you close my savings account but leave my checking account open? 3.I did not notice you will charge the maintenance fee, so that's the reason I'v got an overdraft fee. Is that possible for me to remove that overdraft fee? 4. I did not intend to let my account go overdraft because I did not know the maintenance fee would kick in. 5.I would like to know if there's any offers available for my credit card accounts? Such as APR reduction and 0% balanced transfer fee offers? 6. I would like to know if I am qualified to apply for a credit card now? If I am, Can you please check if I could get a credit card now? 7 I would like to see if I can get the credit limit increased, because I think I my credit limit is too low? Can you guys please help me make the sentences above sound more native and natural? Thank you all!