Multi-turn tool-use scenario.
Tools involved: TwitterAPI
VehicleControlAPI

User requests (one per turn):
user: Before I set off for Stonebrook to uncover family history, I need to determine the road distance for my genealogy exploration.
user: I will be travelling from San Francisco to Stonebrook.
user: Buzzing with anticipation for this family roots journey, I want to tweet: 'Setting forth on an exciting quest from San Francisco to Stonebrook to uncover ancestral stories!' #GenealogyAdventure #FamilyHistory.
user: Once the tweet is live, I should retweet it to widen the circle of those who might share in this genealogy fervor!

Expected function call sequence:
VehicleControlAPI.startEngine
VehicleControlAPI.get_zipcode_based_on_city
VehicleControlAPI.estimate_distance
TwitterAPI.post_tweet
TwitterAPI.retweet