How many flights a day are there from London to San Francisco?

W: May I help you?
M: Yes. Which airport has flights from London to San Francisco, Gatwick or Heathrow?
W: Both. Once per doy.
M: Ok, fine. Can you tell me the price of a one-way ticket, please?
W: A one-way ticket. . .
M: Yeah. . .
W: to San Francisco, Economy class. That’ s three hundred and eight pounds.
M: That’s economy?
W: Yes.
M: Ok, that’ 11 do fine. I’ 11 call you back on this. Thank you very much for the information.
W: You don’t want to make a reservation now?
M: No, I’ll call you back.
W: All right.
M: Bye bye now.
W. Bye bye.