(B is carrying heavy bags) A: Can I help you with those? B: Would you? Thank you so much!
A: 手伝いましょうか? B: 本当に(いいですか)?ありがとうございます。
例2:
A: Do you know what time the Kansai Airport Rapid Express train leaves Kyobashi station? B: Are you going somewhere? A: Yeah, tomorrow I'm flying to Busan, Korea. B: Oh! I didn't know you were travelling. A: Yeah, I'm going to meet my girlfriend's family. B: Great! Anyway, if you like, I can drive you to the airport. A: Would you? That would save me a lot of trouble. B: Yeah, it's no problem. A: Thanks a million! I really owe you one. B: It's my pleasure.