You want to have an excursion round the city.
You want to take a friend who uses a wheelchair.
You want to find out if they provide any facilities to help people on and off the bus. If the transport is acceptable for your friend, you want to book the excursion
Catherine: Hello, this is Catherine Flinch, Tourist Information Centre.
You: This is_. I'm going to have an excursion round the city and I want to take a friend with me. He uses a wheelchair. Do you provide any facilities to help people get on and off the bus?
C: Yes, if steps are impossible for your friend, we can offer a flexibus.
You: What's that?
C: It's a bus with an electric lift to help passengers in wheelchairs board it.
You: Sounds good. Can I book the excursion right now?
C: Yes, of course.