david: good morning, i would like to plan a trip to the united states. could you help me?
travel agent: certainly! please keep in mind that you will need a visa to travel to the united states. which cities would you like to visit?
david: i would like to visit san francisco and los angeles.
travel agent: perfect. do you need me to book your flights as well?
david: yes, please. i would like a direct flight to san francisco.
travel agent: do you want a round-trip flight?
david: no, i just want a one-way flight to san francisco and a return ticket from los angeles. also, i'll need to book hotels. i want a double room in san francisco for three nights and in los angeles for two nights.
travel agent: very good. do you want to book a stop in another city on your return trip?
david: yes, i could stop in washington, rent a car, and take a trip along the east coast.
travel agent: great. do you need help arranging airport transfers as well?
david: yes, please.
travel agent: perfect, then i'll take care of everything. i'll send you the trip details by email, along with prices and payment options. do you need any other information or help?