Ladies and gentlemen, here is your captain sayed talking ,welcome onboard Flight 4B7 with service from Hong Kong to San Francisco. We are inter second line for taking-off and expected to be in the air in approximately seven minutes time. We ask that you please fasten your seatbelts at this time and secure all baggage underneath your seat or in the overhead compartments. We also ask that your seats and table trays are in the upright position for take-off. Please turn off all personal electronic devices, including laptops and cell phones. Smoking is prohibited for the duration of the flight. Thank you for choosing Mountain Airlines. Enjoy your flight.