At the airport: Check in counter

🇯🇵 [こんにちは] is a normal polite greeting, but at an airport counter staff may more often start with a service phrase like [いらっしゃいませ] rather than [こんにちは].

💬 A common polite request pattern is noun + [をお願いします]. Here it means "I'd like check-in, please," and you can reuse it with things like [窓側の席をお願いします] for "A window seat, please."

💬 [見せてください] literally means "please show," and Japanese often leaves out "me" when it's obvious. You can use the same pattern with other actions: [待ってください] "please wait," [書いてください] "please write."

💬 [～てください] is a standard polite way to ask someone to do something. Swap in other verbs the same way, like [座ってください] "please sit down."

🇯🇵 [どうぞ] is very flexible in service situations: staff use it when handing you something, inviting you to go ahead, or signaling "please." The exact English changes with the moment, so listen for the situation more than one fixed translation.