May I have a taxi at…?
Could you send a taxi to…?
Could I book a taxi…?
I’d like to order a taxi… I’d like a taxi immediately/as soon as possible please.
Excuse me, could you hail a taxi for me please?
Excuse me, I need a taxi please.
Excuse me, could you get a taxi for me please?
How much is the typical taxi fare to the airport /train station /city center ?
How much is the fare please?
How much do I owe you?