first off...if you ask for a doctor who is a pilot...you are likely to lose the whole thing (see V tailed doctor killer).
second, if you are a real flight attendant, your company has a plan in place and it is in your manual.
third, if you have to ask for a pilot in the passenger cabin, ask to see his license (and no frozen atp's!).
but seriously...the HELIOS crash tells it all.
and for one of the best (worst?) movies showing a stewardess landing the airliner...(helped by a doctor!) see the Doris Day film, "JULIE". No joke...get through the whole movie and you will be rewarded.