Situation 1 : At the department store
Salesman : Good morning. Can I help you?
Somsak : I’m looking for a long sleeves shirt.
Salesman : What colour do you prefer,sir?
Somsak : Grey, please.
Salesman : Here you are.
Somsak : Thank you. How much does it cost?
Salesman : It is 450 baht, sir.